Using COC(=O)CSc1ncccc1Oc1cc(-n2c(=O)cc(C(F)(F)F)n(C)c2=O)c(F)cc1N, Cl to produce COC(=O)CSc1ncccc1Oc1cc(-n2c(=O)cc(C(F)(F)F)n(C)c2=O)c(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.