You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by ethyl (4S)-4-(3-chlorophenyl)-6-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate ?
user
C23H24ClN3O3
assistant