You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(3,4-dichlorophenyl)-5-phenylpyrazol-3-yl]-2-[(2,4-dimethoxyphenyl)carbamoyl-ethylamino]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H27Cl2N5O4
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