COCCOCC(=O)N(CCn1ccc(NC(c2ccccc2)(c2ccccc2)c2ccccc2)nc1=O)CCn1cnc2nc(N)[nH]c(=O)c21
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?