You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(3S)-3-methyl-4-(2-phenoxyacetyl)piperazin-1-yl]-3-[(4S)-4-(2-methylphenyl)-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]propan-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H35N3O3S
assistant