COc1ccc(OC)c(C(=O)C[n+]2c3n(c4ccc(C(F)(F)F)cc42)CCCCC3)c1.[Cl-]
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?