Using Cc1ccc(NC(=O)c2ccc(N3CCNCC3)nc2)cc1I, O=C(O)[C@H]1CC[C@H](C(=O)O)CC1 to produce Cc1ccc(NC(=O)c2ccc(N3CCN(C(=O)C4CCC(C(=O)O)CC4)CC3)nc2)cc1I, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.