Using Cc1ccc(-c2c(CNC(=O)OC(C)(C)C)c(CC(C)C)nc3ccc(O)cc23)cc1, N#CCBr to produce Cc1ccc(-c2c(CNC(=O)OC(C)(C)C)c(CC(C)C)nc3ccc(OCC#N)cc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.