COC(=O)C1=CN(C(C)c2ccccc2)C=C(C(=O)OC)C1c1cc(OC)c(OC)c(OC)c1
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?