Using O=C(N1CCc2ccc(Cl)c(O)c2CC1)C(F)(F)F, CN(C)C(=S)Cl to produce CN(C)C(=S)Oc1c(Cl)ccc2c1CCN(C(=O)C(F)(F)F)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.