Using CCOC(=O)c1ccc(-n2cc(C#N)c3cc(F)c(F)cc32)cc1OCOC to produce CCOC(=O)c1ccc(-n2cc(C#N)c3cc(F)c(F)cc32)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.