COc1ccc(C(=O)N2CC3(CC(c4cccc(NC(=O)CC(c5ccccc5)c5ccccc5)c4)=NO3)C[C@H]2C(N)=O)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?