You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-amino-3-(3,3-dimethyl-1,4-dihydroisothiochromen-4-yl)imidazole-4-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H17N3O2S
assistant