CC(=O)N1N=C(c2ccccc2Nc2ccccc2C2=NN(C(C)=O)C(c3ccccc3)O2)OC1c1ccccc1
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?