You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-(6-phenylmethoxy-1H-indol-3-yl)-2-[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]acetic acid .
user
C30H31N3O3
assistant