Using O=C(O)C(F)(F)F, CC1NCCOc2ccc3c(c(Cl)cn3S(=O)(=O)c3ccccc3)c21 to produce CC1c2c(ccc3c2c(Cl)cn3S(=O)(=O)c2ccccc2)OCCN1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.