You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-methoxy-N,N-dimethylaniline;N-(4-methoxyphenyl)formamide;N-(2-oxoethyl)-3-(1-phenylpropan-2-ylamino)cyclopentane-1-carboxamide;toluene .
user
C41H54N4O5
assistant