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What is the molecular formula of the molecule 2,12-diethoxy-7-methyl-17-(6-methyl-2-octoxythieno[2,3-c]thiophen-4-yl)-6,16-dithiapentacyclo[11.7.0.03,11.05,9.015,19]icosa-1,3(11),4,7,9,12,14,17,19-nonaene ?
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C38H40O3S4
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