You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule ethyl 9-(3,4-dimethoxyphenyl)-8-oxo-4-prop-2-ynyl-5,6,7,9-tetrahydropyrazolo[5,1-b]quinazoline-3-carboxylate .
user
C24H25N3O5
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