C=CCc1cccc(C2C(C)CCC3C(=O)N4C(Cc5c([nH]c6ccccc56)C4c4cc(OC)c(OC)c(OC)c4)C(=O)N32)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?