Using BrCCCc1ccccc1, N#CC(c1ccccc1)(c1ccccc1)C1CCCNC1 to produce N#CC(c1ccccc1)(c1ccccc1)C1CCCN(CCCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.