You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (3S,4R)-N-[3-(N-ethyl-3-methylanilino)propyl]-6,7-dimethoxy-2-methyl-1-oxo-3-thiophen-2-yl-3,4-dihydroisoquinoline-4-carboxamide .
user
C29H35N3O4S
assistant