Smile:
C1[C@@H](C([C@H]2[C@](C1)([C@@H]1[C@@](CC2)([C@]2(C(=CC1)[C@H]1[C@@]([C@@H](C2)O)(C[C@@H](C(C1)(C)C)OC(=O)/C(=C/CC[C@](O[C@@H]1O[C@@H]([C@H]([C@@H]([C@H]1O)O)OC(=O)/C(=C/CC[C@@](C=C)(O)C)/CO)C)(C=C)C)/CO)C(=O)O[C@@H]1O[C@@H]([C@H]([C@@H]([C@H]1O[C@@H]1O[C