You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[7-[6,7-dimethoxy-1-[4-(propan-2-ylamino)butyl]-3,4-dihydro-1H-isoquinolin-2-yl]-4,4-diphenylheptyl]-3-(4-fluorophenyl)propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C46H60FN3O3
assistant