C=CCNC1=C2C[C@@H](C)C[C@@H](OC)[C@H](OC(=O)CCN(C)C)[C@H](C)/C=C(\C)[C@@H](OC(N)=O)[C@H](OC)/C=C\C=C(/C)C(=O)NC(=CC1=O)C2=O.Cl
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?