COc1ccc(/C=C2\CC3C4CC=C5C[C@@H](N6CCCC6)CC[C@]5(C)C4CC[C@]3(C)[C@H]2O)cc1OC
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?