Using Oc1cccc(F)c1, CCCn1c(Cl)nc2nc(-c3cnn(C)c3)[nH]c2c1=O to produce CCCn1c(Oc2cccc(F)c2)nc2nc(-c3cnn(C)c3)[nH]c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.