Using COc1nc2ccc(-c3c[nH]nc3-c3ccc(F)cc3)cc2n1-c1ccc(F)cc1 to produce Oc1nc2ccc(-c3c[nH]nc3-c3ccc(F)cc3)cc2n1-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.