You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[(4,7-difluoro-2-methyl-1H-indol-5-yl)oxy]-N,N-dimethyl-6-[[5-[(4-methylpiperazin-1-yl)methyl]pyridin-2-yl]amino]-4,5-dihydropyrimidine-5-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C27H32F2N8O2
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