Using CNCCOC, COc1cc2c(cc1[N+](=O)[O-])N(C(=O)CBr)CC2 to produce COCCN(C)CC(=O)N1CCc2cc(OC)c(N)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.