You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named magnesium;5-[(2-chlorophenyl)methyl]-4-methoxy-6-methylpyrimidine-2-carboxylate;hydrate is given. What is its corresponding molecular formula?
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C28H26Cl2MgN4O7
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