You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 20-methoxy-5,7,12,16,18-pentaoxapentacyclo[11.7.0.03,11.04,8.015,19]icosa-1(20),3(11),4(8),9,13,15(19)-hexaen-2-one is given. What is its corresponding molecular formula?
user
C16H10O7
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