Using CCN(c1cc(Cl)cc(C(=O)OC)c1C)C1CCN(C)CC1 to produce CCN(c1cc(Cl)cc(C(=O)O)c1C)C1CCN(C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.