Using CCOC(=O)C(N)C(=O)OCC, O=C(O)c1ccc(Cl)cc1 to produce CCOC(=O)C(NC(=O)c1ccc(Cl)cc1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.