Using COC(=O)c1sc(Cn2nnc(C(F)(F)F)n2)nc1-c1ccccc1Cl to produce O=C(O)c1sc(Cn2nnc(C(F)(F)F)n2)nc1-c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.