OCC(O)C(OC1OC(CO)C(O)C(O)C1O)c1nn(-c2ccc(Cl)cc2)c2nc3cc(Cl)c(Cl)cc3nc12
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?