Cc1c(-n2cc(C(=O)O)c(=O)c3cc(F)c(N4CCCC4)c(F)c32)c(=O)n(-c2ccccc2)n1C
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?