CC[C@H](NC(=O)[C@H](C)NC)C(=O)N1CCC[C@H]1C(=O)Nc1c(C)ccc2ncccc12.O=CO.O=CO
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?