CCn1c2c(c(=O)n3ncc(C(=O)Nc4ccc(F)c(Cl)c4)c13)CN(Cc1ccc(OC)cc1)CC2
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?