Nc1ccn(C2CCC(COP(=O)(O)OCC(O)COP(=O)(O)OCC3OC(n4cc(F)c(=O)[nH]c4=O)CC3O)O2)c(=O)n1
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?