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 ethyl 2-[[2-[3-[(4-chlorophenyl)methyl]-2,4-dioxopyrido[3,2-d]pyrimidin-1-yl]acetyl]amino]acetate into molecular formula.
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C20H19ClN4O5
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