CCCCn1c(=O)[nH]c(=O)c2c1nc(CN(C)Cc1cccc(OC)c1OC)n2CCC.O=C(O)C(=O)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?