Using COc1ccc2[nH]cc(Cc3ccc[n+](CCc4ccc([N+](=O)[O-])cc4)c3)c2c1 to produce COc1ccc2[nH]cc(CC3=CCCN(CCc4ccc([N+](=O)[O-])cc4)C3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.