You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-3-(4-hydroxyphenyl)-2-[[3-phenyl-2-(3-phenylprop-2-enoylamino)prop-2-enoyl]amino]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H24N2O5
assistant