NC(=O)C(c1ccccc1)N1OC2C(=O)N(c3ccccc3)C(=O)C2C1c1c2ccccc2c(Cl)c2ccccc12
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?