Cc1c2cnn(CC(=O)Nc3c(F)c(F)cc(F)c3F)c(=O)c2c(C)n1Cc1ccc(F)cc1
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?