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What is the molecular formula of the molecule identified by 6,8-dichloro-13-(4-methoxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.02,11.05,10.015,20]henicosa-2(11),5(10),6,8,15,17,19-heptaen-3-one ?
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C25H16Cl2O5
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