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 4-acetyl-N-ethyl-N-[2-(3-methoxyanilino)-2-oxoethyl]-3,5-dimethyl-1H-pyrrole-2-carboxamide .
user
C20H25N3O4
assistant