You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-thiophen-2-yl-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]quinoline-4-carboxamide into its molecular formula.
user
C22H17N5OS
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