COc1ccc(CNC(=O)[C@@H]2CC=C[C@@H]3CCN(Cc4ccc(OC)c(OC)c4)C(=O)[C@@H]32)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?