You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (7-chloro-3-methyl-1-benzofuran-2-yl)-[4-(3-methyl-1,2,4-oxadiazol-5-yl)piperidin-1-yl]methanone .
user
C18H18ClN3O3
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