Using O=[N+]([O-])c1c[nH]cn1, CCCCCCC(Br)C(=O)OCC to produce CCCCCCC(C(=O)OCC)n1cnc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.