You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (R)-N-[(2R)-1-(4-amino-5-quinolin-3-ylpyrrolo[2,1-f][1,2,4]triazin-7-yl)but-3-en-2-yl]-2-methylpropane-2-sulfinamide into molecular formula.
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C23H26N6OS
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