Using COc1ccc2nc(-c3ccc(C(=S)NNC(=O)OC(C)(C)C)cc3)ccc2c1 to produce O=c1[nH]nc(-c2ccc(-c3ccc4cc(O)ccc4n3)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.