Using CC(C)(C)OC(=O)C1(Oc2ncc(Cl)cc2N)CC1, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(Nc2cc(Cl)cnc2OC2(C(=O)OC(C)(C)C)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.