Using CCCCOC(=O)C1CCN(Cc2ccccc2)C1, O=C(Cl)OCc1ccccc1 to produce CCCCOC(=O)C1CCN(C(=O)OCc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.