CC(=O)NC1C(OCC(=O)NCCNc2ccc([N+](=O)[O-])c3[nH]c4ccccc4c(=O)c23)C(O)C(CO)OC1(C)OCc1ccccc1
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?