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system
Provide the molecular formula for the IUPAC named substance ethyl (2E,5R)-5-(2-methoxyphenyl)-7-methyl-2-[[1-(4-methylphenyl)-2,5-diphenylpyrrol-3-yl]methylidene]-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate .
user
C41H35N3O4S
assistant