Using COc1cccc(N)c1, NC(=O)c1cc[n+](-c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1 to produce COc1cccc(-[n+]2ccc(C(N)=O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.