Using C[C@H](NC(=O)OCc1ccccc1)c1ccc(C(=O)OC(C)(C)C)cc1 to produce C[C@H](N)c1ccc(C(=O)OC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.