COc1ccccc1N(C(=O)c1snc(C(N)=O)c1N)C(C(=O)NC1CCCC1)c1ccc2ncccc2c1
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?