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 (5E)-2-(3-methylphenyl)-3-(4-methylphenyl)-5-(naphthalen-1-ylmethylidene)imidazol-4-one is given. What is its corresponding molecular formula?
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C28H22N2O
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