COc1ccc(N2C(=O)CCC(C(=O)NCCCN3CCC(C)CC3)C2c2ccc(OC)c(OC)c2)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?