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 (2S)-2-amino-N-[(2R)-1-[(2S)-2-benzyl-4-(2-hydroxyethyl)piperazin-1-yl]-1-oxopropan-2-yl]-3-(4-hydroxyphenyl)propanamide ?
user
C25H34N4O4
assistant