COc1ccc(/C=c2\s/c(=C3/SC(=S)N(c4ccccc4)C3=O)n(-c3ccccc3)c2=O)cc1
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?