Using C1=C(c2ccccc2)CCNC1, CN1C(=O)C(CCCCBr)Sc2ccccc21 to produce CN1C(=O)C(CCCCN2CC=C(c3ccccc3)CC2)Sc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.