Using CC1(C)CC(O)CC(C)(C)N1, CCCCCCCCN(CC(=O)OC)C1CC(C)(C)NC(C)(C)C1 to produce CCCCCCCCN(CC(=O)OC1CC(C)(C)NC(C)(C)C1)C1CC(C)(C)NC(C)(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.