Using CCOC(=O)C[C@@H](Cc1ccc(-c2cc(Cl)ccc2Cl)cc1)NC(=O)CCC(=O)O to produce O=C(O)CCC(=O)N[C@@H](CC(=O)O)Cc1ccc(-c2cccc(Cl)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.