Using CCOC(=O)C1(CC#N)CCN(S(=O)(=O)c2ccccc2Cl)CC1 to produce CCOC(=O)C1(CCN)CCN(S(=O)(=O)c2ccccc2Cl)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.