Smile:
C1C(C(C2C(C1)(C1C(CC2)([C@]2(C(=CC1)C1C([C@@H](C2)O)(CC(C(C1)(C)C)OC(=O)/C(=C/CC[C@@](C=C)(OC1[C@@H](C([C@H](C(O1)CC)OC(=O)/C(=C/CCC(C=C)(OC1[C@@H](C([C@H](C(O1)CC)O)O)O)C)/C)O)O)C)/CO)C(=O)OC1[C@@H](C([C@H](C(O1)CO)O)O)OC1[C@@H](C([C@H](C(O1)CC)OC1[C@@H]