CCN1CCN(c2c(/C=C3\SC(=S)N(Cc4ccco4)C3=O)c(C)c(C#N)c(=O)n2C)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?