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What is the molecular formula of the compound with this IUPAC name 2-[(4,5-dimethyl-7-oxo-3,10-dithia-1,8-diazatricyclo[7.3.0.02,6]dodeca-2(6),4,8-trien-12-yl)methylsulfanyl]-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one ?
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C21H20N4O2S4
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