CC(=O)c1ccc(OCC(O)CN2CCN(S(=O)(=O)c3c(C)cc(C)cc3C)CC2)cc1.O=C(O)C(=O)O
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?