Using CCOC(=O)c1cnc(SCC(=O)c2ccc(C#N)c(F)c2)[nH]1 to produce CCOC(=O)c1cnc(SCC(O)c2ccc(C#N)c(F)c2)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.