COc1ccc(C2CC(=O)N(Cc3cccc(C)c3)c3c2c(C)nn3-c2nc(C)cc(C)n2)c(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?