Using CCOC(=O)C(=O)Nc1cccc(NC(=O)C(=O)OCC)c1Cl to produce O=C(O)C(=O)Nc1cccc(NC(=O)C(=O)O)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.