You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
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I need a molecule that meets the following conditions: The molecule is a ec 3.4.21.26 (prolyl oligopeptidase) inhibitor, a anti depressant, and anti convulsant. The molecule is a non-narcotic analgesic, anti manic drug, excitatory amino acid antagonist, calcium channel blocker. Please represent the molecule in SMILES.
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