COc1ccc2/c(=C/c3ccc(N(C)C)cc3)c3cc(-c4ccccc4)[n+](C)n3c2c1.O=S(=O)([O-])C(F)(F)F
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?