Using CCOC(=O)C(C)(C)Oc1ccc(C(=NOC)c2cccs2)cc1 to produce CON=C(c1ccc(OC(C)(C)C(=O)O)cc1)c1cccs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.