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 1-[3-[[2-oxo-3-(1H-pyrrol-2-ylmethylidene)-1H-indol-6-yl]amino]phenyl]-3-(2,3,6-trifluorophenyl)urea is given. What is its corresponding molecular formula?
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C26H18F3N5O2
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