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-(4-hydroxy-3-methylphenyl)-2-[[3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]-octylamino]acetyl]amino]-3-phenylpropanoate .
user
C40H61N3O7
assistant