O=C(NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)NC(CC(C)C)C(=O)OCc1ccccc1)C(C)(C)NC(=O)C(CC(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC(C)C)NC(=O)OC(C)(C)C