CC[C@H]1[C@H](O)N2[C@H]3C[C@@H]1[C@@H]1[C@@H]2C[C@@]2(c4ccccc4N(C)[C@H]32)[C@H]1O
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?