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 N-[1-[[2-(tert-butylamino)-1-(2,5-dimethylphenyl)-2-oxoethyl]-propylamino]-3-methyl-1-oxobutan-2-yl]carbamate .
user
C27H45N3O4
assistant