You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 4-[2-[[4-[2-[(2S)-2-(cyclobutylcarbamoyl)pyrrolidin-1-yl]-2-oxoethoxy]-7-methylquinoline-2-carbonyl]amino]-5-[(3S)-3-methoxybutoxy]-5-oxopentanoyl]piperazine-1-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H54N6O10
assistant