CC1(C)OC(C(O)(c2cccc3c2oc2ccccc23)c2cccc3c2oc2ccccc23)C(C(O)(c2cccc3c2oc2ccccc23)c2cccc3c2oc2ccccc23)O1
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?