Using BrCC12CC3CC(CC(C3)C1)C2, Cc1ncc2c(c1C(N)=O)CCN(Cc1ccccc1)C2 to produce Cc1ncc2c(c1C(=O)NCC13CC4CC(CC(C4)C1)C3)CCN(Cc1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.