Cc1nc(Nc2cnc(/C=C/c3cc(C(=O)Nc4cccc(C(F)(F)F)c4)ccc3C)cn2)cc(N2CCNCC2)n1.O=C(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?