Using CN1C(=O)C(=Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)SC1=S to produce CN1CSC(=Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.