Using CCOC(=O)c1cnc(-c2nn(Cc3ccccc3F)c3ncccc23)nc1N to produce Nc1nc(-c2nn(Cc3ccccc3F)c3ncccc23)ncc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.