Using COc1cc(-c2noc3c2CCCC3(O)c2cc(F)cc(F)c2)ccc1-n1cnc(C)c1 to produce COc1cc(-c2noc3c2CCCC3c2cc(F)cc(F)c2)ccc1-n1cnc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.