Using Cc1cccc2nc(-c3ccccc3[N+](=O)[O-])[nH]c12, O=C([O-])O to produce Cc1cccc2c1nc(-c1ccccc1[N+](=O)[O-])n2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.