You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[[3-[4-methyl-6-(5-methyl-1H-imidazol-2-yl)pyrimidin-2-yl]piperidin-1-yl]methyl]-1,3-thiazole into its molecular formula.
user
C18H22N6S
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