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 1-[2-(cyclopropanecarbonyl)pyrazolidin-1-yl]-3-(2,5-dimethoxyphenyl)prop-2-en-1-one is given. What is its corresponding molecular formula?
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C18H22N2O4
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