Using CC(=O)Nc1ncc(SC(C)=O)s1, CC(C)(C)c1cnc(CCl)o1 to produce CC(=O)Nc1ncc(SCc2ncc(C(C)(C)C)o2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.