O=C(CC1C[C@H](C(=O)N2CCCCC2)[C@@]2(CCc3ccccc3)c3[nH]c4ccccc4c3CCN2C1=O)NCc1cccc(C(F)(F)F)c1
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?