COCCNC(=O)C(c1c[nH]c2ccccc12)N(C(=O)c1snc(C(N)=O)c1N)c1cccc(OC)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?