CCN1CCN(CCCNC(=O)c2ccc(/C=C3/Oc4ccccc4N(Cc4cccc(C)c4)C3=O)cc2)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?