CC1OC(OC2C(CO)OC(O[C@H]3CC[C@@]4(C)C(=CC[C@H]5[C@@H]6C[C@@H]7O[C@]8(CC[C@@H](C)CN8)[C@@H](C)[C@@H]7[C@@]6(C)CC[C@@H]54)C3)C(O)C2O)C(O)C(O)C1O
The donor in a hydrogen bond is usually a strongly electronegative atom such as N, O, or F that is covalently bonded to a hydrogen bond. How many hydrogen bond donors does the molecule have?