CCOC(=O)/C(=C\c1ccc([N+](=O)[O-])cc1)C(=O)c1cc(C(C)=O)c(Nc2ccccc2)s1
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?