OC1=C(C=C(CN2C(=O)N(CC3=CC(C4CCCCC4)=C(O)C(=C3)C3CCCCC3)C(=O)N(CC3=CC(C4CCCCC4)=C(O)C(=C3)C3CCCCC3)C2=O)C=C1C1CCCCC1)C1CCCCC1