You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 6-(4-chlorobenzoyl)-2-(4-chloro-N-ethylanilino)-3-prop-2-ynyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-4-one .
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C25H22Cl2N4O2
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