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 methyl (3R,4aR,5R,7S)-1-benzyl-7-cyclopentyl-3-[2-[4-(furan-2-carbonyl)piperazin-1-yl]-2-oxoethyl]-5-methyl-2-oxo-3,4,5,7-tetrahydropyrano[4,3-b]pyridine-4a-carboxylate .
user
C34H41N3O7
assistant