Using CCOC(=O)c1ccc(N2CC3CN(C(=O)NCc4ccc(Cl)cc4Cl)CC32)cc1 to produce O=C(O)c1ccc(N2CC3CN(C(=O)NCc4ccc(Cl)cc4Cl)CC32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.