COc1ccc(OC)c(N(C(=N)Nc2nc(C)cc(C)n2)S(=O)(=O)c2ccc(NC(C)=O)cc2)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?