Using COc1ccc(Cn2c(=O)c3cc(O)ccc3n(C3CCSCC3)c2=O)cc1OC, N#CCBr to produce COc1ccc(Cn2c(=O)c3cc(OCC#N)ccc3n(C3CCSCC3)c2=O)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.