Using O=C(NC[C@H](NC(=O)C(F)(F)F)C(=O)O)[C@@H]1CCCN(C(=O)/C=C/C2CCNCC2)C1 to produce O=C(NC[C@H](NC(=O)C(F)(F)F)C(=O)O)[C@@H]1CCCN(C(=O)CCC2CCNCC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.