Using O=C1Cc2cc(C(=O)c3ccc([N+](=O)[O-])cc3)ccc2N1 to produce O=C1Cc2cc(Cc3ccc([N+](=O)[O-])cc3)ccc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.