CCCN(CCC)C(=S)Sc1nc(C)nc(N2CCN(c3nc(C)nc(SC(=S)N(CCC)CCC)c3[N+](=O)[O-])CC2)c1[N+](=O)[O-]
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?