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What is the molecular formula of the molecule 19-[4-(10-naphthalen-1-ylanthracen-9-yl)naphthalen-1-yl]-3-oxa-14-thiahexacyclo[11.11.0.02,10.04,9.015,24.016,21]tetracosa-1(13),2(10),4,6,8,11,15(24),16(21),17,19,22-undecaene ?
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C56H32OS
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