CCN(Cc1ccccc1)S(=O)(=O)c1ccc(S(=O)(=O)N(Cc2cccc(OC)c2)CC2CCCO2)cc1
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?