Using CCOC(=O)[C@H]1C[C@H]([Se]c2ccccc2)CN1C(=O)OC(C)(C)C to produce CCOC(=O)[C@H]1C=CCN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.