Using Fc1ccccc1-c1cc(-c2cncc(-c3cnn(CCOC4CCCCO4)c3)c2)c2cccnc2n1 to produce OCCn1cc(-c2cncc(-c3cc(-c4ccccc4F)nc4ncccc34)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.