Using CC(C)(C)OC(=O)N1CCSC1C(=O)O, N[C@@H](CCO)c1ccccc1 to produce CC(C)(C)OC(=O)N1CCSC1C(=O)N[C@@H](CCO)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.