Using CCc1cccc([C@@H](Oc2ccc3c(cnn3-c3ccc(F)cc3)c2)[C@H](C)N)c1, CCOC(=O)C(F)(F)F to produce CCc1cccc([C@@H](Oc2ccc3c(cnn3-c3ccc(F)cc3)c2)[C@H](C)NC(=O)C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.