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 4-chloro-N-[3-[8-[[4-chloro-3-(trifluoromethyl)benzoyl]amino]imidazo[1,2-a]pyrazin-3-yl]phenyl]-3-(trifluoromethyl)benzamide is given. What is its corresponding molecular formula?
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C28H15Cl2F6N5O2
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