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system
Provide the molecular formula for the IUPAC named substance methyl 4-(2-hydroxyphenyl)-12-methyl-10-thia-3,5,6,8-tetrazatricyclo[7.3.0.02,6]dodeca-1(9),2,4,7,11-pentaene-11-carboxylate .
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C16H12N4O3S
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