COc1ccc(OC)c(NC(=O)CCC/C(CC(=O)c2ccc(O)c(OC)c2)=N\Nc2ccc([N+](=O)[O-])cc2)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?