C[C@@]12C(=O)N(Cc3ccc(-c4ccccc4)cc3)CC(=O)N1[C@H](/C=C/c1ccccc1)[C@@H]1C(=O)N(c3ccccc3)C(=O)[C@@H]12
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?