You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[1-[[1-(3,4-dimethylphenyl)-2-(naphthalen-2-ylamino)-2-oxoethyl]-octylamino]-4-methylsulfanyl-1-oxobutan-2-yl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H53N3O4S
assistant