COc1ccc2[nH]c3c(c2c1)[C@H](c1ccccc1)C[C@@H]1C(=O)N(c2ccccc2)C(=O)[C@H]31
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?