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 (3S,4S,6R)-3-[(2R,4R,5R)-3-azido-6-ethyl-5-hydroxy-4-phenylmethoxyoxan-2-yl]oxy-4,5-dibenzoyloxy-6-phenylmethoxyoxane-2-carboxylate .
user
C42H43N3O12
assistant