You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(2S)-2-[5-[(4-chlorophenyl)methyl]-1,3-oxazol-2-yl]piperidin-1-yl]-(4-methyl-1,3-oxazol-5-yl)methanone .
user
C20H20ClN3O3
assistant