C/C(=N\NC(=O)c1cccnc1)c1ccc(OC2OCCOC2Oc2ccc(/C(C)=N/NC(=O)c3cccnc3)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?