Using C=CCN(C(=O)Nc1ccc(Oc2ccccc2)cc1)c1ccc(OCc2ccccc2)cc1, C=CCBr to produce C=CCN(C(=O)N(CC=C)c1ccc(Oc2ccccc2)cc1)c1ccc(OCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.