COc1ccc(N2C3=C(C(=O)CC(C)(C)C3)C(c3cn(C)nc3C)C3=C2CC(C)(C)CC3=O)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?