You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 7-amino-5-(4-chlorophenyl)-2,4-dioxo-1,4a,5,8a-tetrahydropyrano[2,3-d]pyrimidine-6-carbonitrile into molecular formula.
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C14H11ClN4O3
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