Using CC(C)(C)OC(=O)N1CCC(O)CC1, Oc1cc(Cl)cc(Cl)c1 to produce CC(C)(C)OC(=O)N1CCC(Oc2cc(Cl)cc(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.