Using Cc1csc2ccc3[nH]c4c(c3c12)CN(Cc1ccccc1)CC4, BrCc1ccccc1 to produce Cc1csc2ccc3c(c4c(n3Cc3ccccc3)CCN(Cc3ccccc3)C4)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.