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 bis[[2-(5-hydroxy-4,7-dioxo-1,3,2lambda2-dioxaplumbepan-5-yl)acetyl]oxy]lead;trihydrate is given. What is its corresponding molecular formula?
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C12H16O17Pb3
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