Using CCC1(CC(O)(C=Nc2cccc3cnccc23)C(F)(F)F)CCCc2ccccc21 to produce CCC1(CC(O)(CNc2cccc3cnccc23)C(F)(F)F)CCCc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.