COc1ccccc1C1c2[nH]c3ccccc3c2C[C@H]2C(=O)N(C3CCN(Cc4ccccc4)CC3)CC(=O)N12
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?