Using COC(=O)[C@H](CCCCN)N(CC(C)C)S(=O)(=O)c1ccc(C)cc1, Cc1ccc(S(=O)(=O)N[C@@H](Cc2c[nH]c3ccccc23)C(=O)O)cc1 to produce COC(=O)[C@H](CCCCNC(=O)[C@H](Cc1c[nH]c2ccccc12)NS(=O)(=O)c1ccc(C)cc1)N(CC(C)C)S(=O)(=O)c1ccc(C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.