CC1(C)O[C@@H](CP(c2ccc3ccccc3c2)c2ccc3ccccc3c2)[C@H](CP(c2ccc3ccccc3c2)c2ccc3ccccc3c2)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?