You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[2-[2-[2-[3-(dimethylamino)prop-1-ynyl]phenyl]acetyl]-7-[(3R)-3-methyl-3,4-dihydro-1H-isoquinoline-2-carbonyl]-3,4-dihydro-1H-isoquinolin-6-yl]-N,1,2-trimethyl-N-phenylpyrrole-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C47H49N5O3
assistant