You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(imidazo[1,2-a]pyridin-2-ylmethylsulfanyl)-5-[(3-methylphenoxy)methyl]-1,3,4-oxadiazole into its molecular formula.
user
C18H16N4O2S
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