You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(3,5-dimethylphenyl)-4-[[(1R,2S)-2-fluoro-2-methylcyclopentyl]amino]pyrrolo[1,2-b]pyridazine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H25FN4O
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