Using CC(C)C[C@H]1CC[C@@H](C(=O)OC(C)(C)C)N1C(=O)CNC(=O)Nc1cccc(C(=O)OCc2ccccc2)c1 to produce O=C(O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.