Using N#CCBr, C[C@H]1COCCN1c1cc(CSC(=N)N)nc(-c2ccc(NC(=O)N(C)C)cc2)n1 to produce C[C@H]1COCCN1c1cc(CSCC#N)nc(-c2ccc(NC(=O)N(C)C)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.