Using CC(=O)OC(C)(C)C(=O)NCC1OCCN(C(=O)OC(C)(C)C)CC1c1ccc(Cl)c(Cl)c1 to produce CC(C)(C)OC(=O)N1CCOC(CNC(=O)C(C)(C)O)C(c2ccc(Cl)c(Cl)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.