COC1/C=C\C=C(/C)C(=O)NC2=CC(=O)C(O)=C(CC(C)CC(OC)C(O)C(C)/C=C(\C)C1OC(N)=O)C2=O
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?