FC(F)(F)c1ccc(CN2C[C@@H]3C(c4ccccc4)C4(c5ccccc5)CC3(C4)[C@H]2c2ccccc2)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?