Using CCOC(=O)CSc1cc(C(F)(F)F)c2c(=O)cc(Nc3ccccc3)n(-c3ccccc3)c2n1 to produce O=C(O)CSc1cc(C(F)(F)F)c2c(=O)cc(Nc3ccccc3)n(-c3ccccc3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.