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 3-[4-[(1R)-6,7-dimethoxy-1-thiophen-2-yl-3,4-dihydro-1H-isoquinolin-2-yl]-4-oxobutyl]-4-methyl-1,3-thiazol-2-one .
user
C23H26N2O4S2
assistant