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 (2R)-4-(4-methoxybenzoyl)-3-oxo-2-(phenylmethoxycarbonylaminomethyl)-2-prop-2-enylpiperazine-1-carboxylic acid ?
user
C25H27N3O7
assistant