Using COc1ccc(C(=O)C(Br)c2ccc(OC)cc2)cc1, N#C[S-] to produce COc1ccc(C(=O)C(N=C=S)c2ccc(OC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.