You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-methoxy-N-[(2R)-1-oxo-1-[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]propan-2-yl]benzenesulfonamide by IUPAC nomenclature, provide its molecular formula.
user
C23H29N3O4S
assistant