Using C=Cc1cccc(-c2cccc(CO[C@@H]3C[C@@H](C(=O)OC)N(C(=O)[C@@H](N)C4CCCCC4)C3)c2)c1 to produce C=CCCCCN[C@H](C(=O)N1C[C@H](OCc2cccc(-c3cccc(C=C)c3)c2)C[C@H]1C(=O)OC)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.