CN1CCC2(c3ccccc3)CC(=O)/C(=C/c3ccc(Cl)c(Cl)c3)C1C2.[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?