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system
Name the molecular formula for the molecule established as 5,15-dihydroxy-11-methylsulfanyl-21-thia-3,13-diazahexacyclo[15.3.1.01,13.03,11.04,9.014,19]henicosane-2,8,12,18-tetrone using the IUPAC nomenclature.
user
C19H22N2O6S2
assistant