CN(C(=O)COC(=O)/C=C/c1cn(-c2ccccc2)nc1-c1ccc2c(c1)OCCO2)C1CCS(=O)(=O)C1
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?