Using C[C@H](NC(=O)Cc1cc(F)cc(F)c1)C(=O)O, CCOC(=O)C(N)c1ccncc1 to produce CCOC(=O)C(NC(=O)[C@H](C)NC(=O)Cc1cc(F)cc(F)c1)c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.