COc1cccc(N2CCN(C(=O)C3CCCN(S(=O)(=O)c4ccc5c(c4)oc(=O)n5C)C3)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?