CCOC(=O)c1cc2c(=O)n3ccccc3nc2n(CCCOC)/c1=N/C(=O)C(C)(C)Oc1ccc(Cl)cc1
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?