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system
Provide the molecular formula for the IUPAC named substance 5-[(4Z)-4-(4,7-dihydroxy-5-methyl-1,3-benzodithiol-2-ylidene)-2-[2-[2-(methanesulfonamido)ethoxy]ethyl]-3,5-dioxopyrazolidin-1-yl]pentanoic acid .
user
C21H27N3O9S3
assistant