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system
Please write the molecular formula of the molecule 5-O-[(1S,2S,3R,7R,9S,10S,12R,15S)-2-benzoyloxy-1-hydroxy-9,12-dimethoxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadeca-4,13-dien-15-yl] 3-O-tert-butyl (2R,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate .
user
C51H59NO13
assistant