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 tert-butyl 2-[[2-(3,4-dimethylphenyl)-2-[ethyl-[2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylpropanoyl]amino]acetyl]amino]-3-phenylpropanoate .
user
C39H51N3O6
assistant