Using CCOc1nc(C(F)(F)F)cc(=O)n1-c1ccc2snc(-c3ccc(OC)c(C)c3)c2c1 to produce CCOc1nc(C(F)(F)F)cc(=O)n1-c1ccc2snc(-c3ccc(O)c(C)c3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.