Using O=C(C(=O)N1CCCC1)c1c[nH]c2cc([N+](=O)[O-])ccc12, CI to produce Cn1cc(C(=O)C(=O)N2CCCC2)c2ccc([N+](=O)[O-])cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.