Using CCOC(=O)c1nc2ccnn2c(C)c1Nc1ccc(SC)cc1F, CCON to produce CCONC(=O)c1nc2ccnn2c(C)c1Nc1ccc(SC)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.