Using COc1ccc(CNc2nc3ccc(Br)cc3cc2/C=C/C(=O)NCC2CCCCC2)cc1 to produce COc1ccc(CNc2nc3ccc(Br)cc3cc2CCC(=O)NCC2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.