Using COC(=O)c1nc(CNC(=O)OC(C)(C)C)oc1-c1ccccc1 to produce CC(C)(C)OC(=O)NCc1nc(C(=O)O)c(-c2ccccc2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.