You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [4-[4-methyl-5-(morpholin-4-ylmethyl)-1,2,4-triazol-3-yl]piperidin-1-yl]-pyrazin-2-ylmethanone is given. What is its corresponding molecular formula?
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C18H25N7O2
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