CCCCCCNC(=O)OC12CN(C(=O)OC(C)C)N(C(=O)OC(C)C)CC1(O)CN(S(=O)(=O)c1ccc(C)cc1)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?