You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-chloro-N-(2-methylpropyl)-N-(pyridazin-3-ylmethyl)-[1,3]thiazolo[4,5-b]pyridin-2-amine into its molecular formula.
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C15H16ClN5S
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