CC1OC(OP(=O)(OCc2ccccc2)OCc2ccccc2)C(OC(=O)c2ccccc2)C(OC(=O)c2ccccc2)C1I
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?