CCOC(=O)C1=C(C)N(C2OC(COC(C)=O)C(OC(C)=O)C(OC(C)=O)C2OC(C)=O)C(=O)NC1c1ccccc1
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?