Using COc1cc2c(cc1[N+](=O)[O-])N(C)C(=O)CNC2, BrCC1CC1 to produce COc1cc2c(cc1[N+](=O)[O-])N(C)C(=O)CN(CC1CC1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.