COc1ccc(OC)c(C(=O)NC(CC(N)=O)c2ccc(N3CCC(N4CCCC4)CC3)c([N+](=O)[O-])c2)c1
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?