Cc1noc(C)c1NC(=O)Nc1cccc2c1O[C@H](CN(C)C(=O)NC1CCCCC1)[C@@H](C)CN([C@H](C)CO)C2=O
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?