Using CCCCCNC(=O)[C@@H](N)Cc1cccc(CN2CC(=O)N(Cc3ccc(OC)cc3)S2(=O)=O)c1, CC(=O)N[C@@H](Cc1ccccc1)C(=O)O to produce CCCCCNC(=O)[C@H](Cc1cccc(CN2CC(=O)N(Cc3ccc(OC)cc3)S2(=O)=O)c1)NC(=O)[C@H](Cc1ccccc1)NC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.