Standard Alcohol shouldn't be removing touchup paint. It won't hurt a clearcoat and is OK to use to clean the surface between coats of touchup paint. If alcohol removes touchup paint, then it hasn't cured enough. There's a thread about a Black 540 hood touchup Todd from Trop Detailing did and you should read it. I was there for the process, and it takes a good deal more touchup paint than you would imagine to fill the scratch. Unassisted, it will take about 8 hours between layers of touchup paint for the previous coat to cure hard enough to sand. When Todd was sanding, he would sand about 3 strokes with the 2000 grit paper( he would have preferred 3000 but couldn't get any on a Sunday) and then clean it off and check, sand some more and check. when he thouht he was satisfied, he would polish. If he didin't like the results, he would apply some more paint and cure it and sand some more til it buffed our perfect. Black is a tough color to work on, but the key was PATIENCE. We shortened the cure time by using a simple hairdryer on low to help the paint cure. Even then, it was about an hour between layers of paint. All told, it took about 8 coats of TU paint to blend out perfectly. I have kids about your age, and patience took a lot of FU'd projects for them to learn the right way to do some things. Now that they have gotten older, I seem to have gotten smarter and now they listen at least a little. You are getting good advice from the members here, you too should listen.
DAL