Cc1cc2c(O)c(c1)CN(Cc1ccccc1)Cc1cc(C)cc(c1O)CN(Cc1ccccc1)Cc1cc(C)cc(c1O)CN(Cc1ccccc1)C2
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?