COc1ccc(-c2cc(=NCCCCCC(=O)O)c3cc(C)ccc3o2)cc1.[O-][Cl+3]([O-])([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?