CN(C)c1ccc(-c2cc([C@H]3[C@@H]4C=CCC[C@@]4(C)C(=O)N3Cc3ccccc3)ccc2F)cc1
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?