Using COS(=O)(=O)OC, COc1ccc(Oc2c(C)cc(-n3ncc(=O)[nH]c3=O)cc2C)cc1C(=O)c1ccc(F)cc1 to produce COc1ccc(Oc2c(C)cc(-n3ncc(=O)n(C)c3=O)cc2C)cc1C(=O)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.