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What is the molecular formula of the molecule (9S,11S)-4-chloro-11-(2-methoxyphenyl)-9-thiophen-2-yl-8-oxa-12,13,15,17-tetrazatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2,4,6,13,15-hexaene ?
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C23H17ClN4O2S
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