COc1ccc(-c2nc(SCC(=O)N/N=C/c3ccc(O)c(OC)c3)[nH]c2-c2ccc(OC)cc2)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?