CCOC(=O)C1=C(C)N=c2s/c(=C/c3cccc([N+](=O)[O-])c3O)c(=O)n2C1c1ccc(OC)cc1OC
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?