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 [2-chloro-4-[(5-methyl-1H-indol-7-yl)amino]phenyl]-(2,4,5-trimethylphenyl)methanone is given. What is its corresponding molecular formula?
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C25H23ClN2O
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