You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-4-[1-(4-fluorophenyl)indol-3-yl]butan-1-one ?
user
C29H29FN2O3
assistant