Using C[C@@H]1CNC[C@H](C)N1, C[C@H]1COCCN1Cc1cc(C=O)ccc1Br to produce C[C@@H]1CN(Cc2ccc(Br)c(CN3CCOC[C@@H]3C)c2)C[C@H](C)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.