Using O=CCN1CCC(c2nc(COCC(F)(F)F)c(-c3ccc(F)cc3)o2)CC1 to produce Fc1ccc(-c2oc(C3CCNCC3)nc2COCC(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.