Cc1cccc(N(C(=O)c2snc(C(N)=O)c2N)C(C(=O)NC2CCCC2)c2ccc(C)o2)c1
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?