You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
dimethyl 4-[4-[(2,4-dichlorophenyl)methoxy]-3-ethoxyphenyl]-2,6-dimethylpyridine-3,5-dicarboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H25Cl2NO6
assistant