Using CON1C(C)(C)CC(O)CC1(C)C, CCCCC(C(=O)OCC)C(=O)OCC to produce CCCCC(C(=O)OC1CC(C)(C)N(OC)C(C)(C)C1)C(=O)OC1CC(C)(C)N(OC)C(C)(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.