You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(4-chlorophenyl)-1-[4-[2-(difluoromethyl)indol-1-yl]-6-morpholin-4-yl-1,3,5-triazin-2-yl]piperidin-4-amine by IUPAC nomenclature, provide its molecular formula.
user
C27H28ClF2N7O
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