COc1cc(C(C(=O)NC2CCCCC2)N(C(=O)Cc2c[nH]c3ccccc23)c2ccccc2C)cc(OC)c1OC
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?