COc1ccc2[nH]c3c([N+](=O)[O-])ccc(NCCN(C)C)c3/c(=N/CCN(C)C)c2c1
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?