You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[2-(5-chloro-2-methoxyanilino)-5-fluoropyrimidin-4-yl]-3-(hydroxymethyl)-3-methyl-1,2-dihydroindole-7-carbonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H19ClFN5O2
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