You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-[1-(3,5-dichlorophenyl)-5-(6-methoxynaphthalen-2-yl)pyrazol-4-yl]oxybenzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H20Cl2N2O4
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