Using C1=C(/C=C/SCC2CCNCC2)Sc2cccc3ncc1n23, BrCCCc1ccccc1 to produce C1=C(/C=C/SCC2CCN(CCCc3ccccc3)CC2)Sc2cccc3ncc1n23, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.