CCc1cccc(CC)c1NC(=O)C1=CNC(C)=C(C(=O)Nc2c(CC)cccc2CC)C1c1ccc(O)c(OC)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?