Using CCOC(=O)[C@H](O)Cc1ccc(Cl)c(Cl)c1, O=C(Cl)N1CCC(N2CCc3ccccc3NC2=O)CC1 to produce CCOC(=O)[C@@H](Cc1ccc(Cl)c(Cl)c1)OC(=O)N1CCC(N2CCc3ccccc3NC2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.