You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(1S)-6,7-dimethoxy-1-thiophen-2-yl-3,4-dihydro-1H-isoquinolin-2-yl]-3-(1,3-dimethylpyrazol-4-yl)propan-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27N3O3S
assistant