Using BrCc1ccccc1, COc1ncc(N2C[C@@H](C)N[C@@H](C)C2)cc1C(=O)OC(C)(C)C to produce COc1ncc(N2C[C@@H](C)N(Cc3ccccc3)[C@@H](C)C2)cc1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.