C=C[C@H]1CN2CCc3c([nH]c4c([C@@H]5CCCN5C)c(O)ccc34)[C@@H]2C[C@@H]1C[C@H]1c2[nH]c3ccccc3c2CCN1C.Cl
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?