You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2,5-dimethyl-N-[(2S)-6-methyl-3-methylidenehepta-4,6-dien-2-yl]-5-[4-[(2-methylphenyl)carbamoylamino]anilino]-4-oxohexanamide ?
user
C31H40N4O3
assistant