Using CC=O, CC(C)(C)OC(=O)N1CCC(CNC2CCc3ccc([N+](=O)[O-])cc3C2)CC1 to produce CCN(CC1CCN(C(=O)OC(C)(C)C)CC1)C1CCc2ccc([N+](=O)[O-])cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.