Cc1c(O)c(O)cc2c1CC=C1[C@@]2(C)CC[C@@]2(C)C3C[C@](C)(C(=O)O)CC[C@@]3(C)CC[C@@]12C
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?