COc1cccc(CN(C)C[C@@H]2OCc3ccccc3-c3c(n(C)c4ccccc34)C(=O)N([C@@H](C)CO)C[C@H]2C)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?