You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-amino-N-ethyl-5-[4-[(6-methoxy-1H-benzimidazol-2-yl)amino]phenyl]pyrrolo[2,1-f][1,2,4]triazine-6-carboxamide into its molecular formula.
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C23H22N8O2
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