Using CC(=O)O, O=C(O)c1cccc([N+](=O)[O-])c1Nc1cnc2ccccc2n1 to produce O=C(O)c1cccc2nc3ccc4nccnc4c3nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.