Using O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO, NCCc1ccc(C(F)(F)F)cc1 to produce OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)CNCCc1ccc(C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.