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 (5S)-3-[2-(3,4-dihydro-2H-quinolin-1-yl)-2-oxoethyl]-5-methyl-5-[3-(tetrazol-1-yl)phenyl]imidazolidine-2,4-dione ?
user
C22H21N7O3
assistant