C[C@@]12C=CC(=O)C=C1CC[C@@H]1C2=CC[C@@]2(C)[C@H](C(=O)CN3CCN(c4cc(N5CCCC5)nc(N5CCCC5)n4)CC3)CC[C@H]12
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?