Using COc1cc(NCCCN2C(=O)c3ccccc3C2=O)c2nccc(C)c2c1Oc1cccc(C(F)(F)F)c1 to produce COc1cc(NCCCN)c2nccc(C)c2c1Oc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.