You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(1-ethyl-2,5-dimethylpyrrol-3-yl)-2-oxoethyl] (E)-3-(2,4,5-trimethoxyphenyl)prop-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
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C22H27NO6
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