Using O=S(=O)(Oc1ccc2ccccc2c1C1NCCc2ccccc21)C(F)(F)F to produce O=S(=O)(Oc1ccc2ccccc2c1C1=NCCc2ccccc21)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.