C=C(/C=C/C=C(\CO)CCC=C(C)C)[C@H]1CCC2([C@H]1O)[C@H](CCCO)/C(=C(/C)C=O)CC[C@]2(C)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?