CCOc1ccc(NC(=O)c2ccc(N3CC4CC(C3)c3cccc(=O)n3C4)c(NC(=O)c3ccncc3)c2)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?