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Under IUPAC nomenclature, a molecule named 2-[(11-methyl-5-methylsulfanyl-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5-tetraen-3-yl)sulfanyl]-N-[[(2S)-oxolan-2-yl]methyl]acetamide is given. What is its corresponding molecular formula?
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C18H24N4O2S3
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