Using CC(C)(C)S(=O)(=O)C[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@@H](CC1CCCCC1)[C@@H](O)[C@@H](O)C1CC1, CC(C)(C)C(=O)OCCl to produce CC(C)(C)C(=O)OCn1cnc(C[C@H](NC(=O)[C@H](Cc2ccccc2)CS(=O)(=O)C(C)(C)C)C(=O)N[C@@H](CC2CCCCC2)[C@@H](O)[C@@H](O)C2CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.