Using Cc1nc(-c2ccccc2)nc(-c2cccc([N+](=O)[O-])c2)c1CN1C(=O)c2ccccc2C1=O to produce Cc1nc(-c2ccccc2)nc(-c2cccc([N+](=O)[O-])c2)c1CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.