CCOC(=O)N1CCC(NC(=O)C2CCN(C(=O)c3cc4oc(C)cc4n3Cc3c(F)cccc3Cl)CC2)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?