You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[(1S)-1-[[1-[[3-(3-fluoropropyl)-5-(trifluoromethyl)phenyl]methyl]-6-methyl-2,3-dihydroimidazo[1,2-b]pyrazole-7-carbonyl]amino]ethyl]benzoic acid by IUPAC nomenclature, provide its molecular formula.
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C27H28F4N4O3
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