I'm not sure at what point I thought this might be a viable option for cover art, but luckily I caught myself shortly after the brainstorm. The journal in question does often have cartoons on the cover that can be goofy, but this is a serious stretch. It's obviously a work-in-progress. The client liked it and wants to use it on the lab website, which is why I am finishing it. The sulfonyl fluoride molecule is a covalent activity-based inhibitor with great selectivity for a certain class of hydrolases.