You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-O-[2-[4-(2-hydroxyethyl)phenoxy]ethyl] 3-O-methyl (4R)-2,6-dimethyl-4-(3-nitrophenyl)-3,4-dihydropyridine-3,5-dicarboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H28N2O8
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