CCC12C[N+]3([O-])CCc4c([nH]c5ccccc45)C(C(=O)OC)(c4cc5c(cc4OC)N(C)C4C(O)(C(=O)OC)C(OC(C)=O)C6(CC)C=CCN7CCC54C76)CC(C3)C1O2
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?