You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[1-[2-[4-(3,5-dimethylphenyl)-3-oxopiperazin-1-yl]-2-oxoethyl]pyrazol-4-yl]furan-2-carboxamide .
user
C22H23N5O4
assistant