Using CSC(=N[C@@H](Cc1cccc(C(C)(C)C)c1)C(=O)O)SC, CN1CCOCC1 to produce CC(C)(C)c1cccc(C[C@H](N)C(N)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.