Using CCS, COc1c(Cl)ccc(C(Nc2cccc3nc(C)ccc23)C2(C(F)(F)F)CO2)c1F to produce CCSCC(O)(C(Nc1cccc2nc(C)ccc12)c1ccc(Cl)c(OC)c1F)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.