Using ClCc1cn2ccccc2n1, O=C1NCCOc2ccc(-c3ccc(C(F)(F)F)cc3)cc21 to produce O=C1c2cc(-c3ccc(C(F)(F)F)cc3)ccc2OCCN1Cc1cn2ccccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.