[Al].O=C(C)OC1CCC2(C)C(CCC3(C)C2C(=O)C=C4C5CC(C)(CCC5(C)CCC34C)C(O)=O)C1(C)C.O=C(C)OC6CCC7(C)C(CCC8(C)C7C(=O)C=C9C%10CC(C)(CCC%10(C)CCC89C)C(O)=O)C6(C)C.O=C(C)OC%11CCC%12(C)C(CCC%13(C)C%12C(=O)C=C%14C%15CC(C)(CCC%15(C)CCC%13%14C)C(O)=O)C%11(C)C