CC(=O)OC[C@]12CCC3[C@@]4(C)CCCC(C)(C)C4CC[C@@]3(C)C1CC(C1=CC(=O)OC1O)O2
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?