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-[ethynyl-[1-(4-ethynylphenyl)-2-(4-methoxyanilino)-2-oxoethyl]amino]-4-methylsulfanyl-1-oxobutan-2-yl]carbamate .
user
C29H33N3O5S
assistant