CCCCS(=O)(=O)/C=C/[C@@H]1[C@@H]2C=C[C@@H](C2)[C@H]1S(=O)(=O)CCCC
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?