Using CC(C)N1CCC(O)CC1, CCOC(=O)c1cc2cc(O)cnc2n1C(=O)OC(C)(C)C to produce CCOC(=O)c1cc2cc(OC3CCN(C(C)C)CC3)cnc2n1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.