Using COC(=O)c1ccc(Cc2cn(C)c3ccc(C(=O)O)cc23)c(OC)c1, C[C@@H](CN)CC(F)(F)F to produce COC(=O)c1ccc(Cc2cn(C)c3ccc(C(=O)NC[C@H](C)CC(F)(F)F)cc23)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.