Using N#CCBr, CC(C)(C)c1cc(C=C2SCNC2=O)cc(C(C)(C)C)c1O to produce CC(C)(C)c1cc(C=C2SCN(CC#N)C2=O)cc(C(C)(C)C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.