You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(oxan-2-yloxy)-1-[(2S)-2-phenyl-2-(phenylmethoxycarbonylamino)acetyl]pyrrolidine-2-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H30N2O7
assistant