Using CC(C)(C)OC(=O)C(C(O)c1ccc(Cl)cc1Cl)n1cncn1, CCC(=O)Cl to produce CCC(=O)OC(c1ccc(Cl)cc1Cl)C(C(=O)OC(C)(C)C)n1cncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.