Using COc1ccc2[nH]cc(CCBr)c2c1, Cc1ccc(C2CCNCC2)cc1 to produce COc1ccc2[nH]cc(CCN3CCC(c4ccc(C)cc4)CC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.