Using C1=C(c2ccccc2)CCNC1, O=C1CCCC(=O)N1CCCCBr to produce O=C1CCCC(=O)N1CCCCN1CC=C(c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.