Using CC(C)(C)OC(=O)N1CCC(O)CC1, CC(C)c1nc2ccc(O)cc2n1C(=O)OC(C)(C)C to produce CC(C)c1nc2ccc(OC3CCN(C(=O)OC(C)(C)C)CC3)cc2n1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.