Using C[C@@H](C(=O)N[C@H]1CSc2c(N)cccc2NC1=O)N(C)C(=O)OC(C)(C)C, BrCc1cccc2ccccc12 to produce C[C@@H](C(=O)N[C@H]1CSc2c(N)cccc2N(Cc2cccc3ccccc23)C1=O)N(C)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.