Cc1cc(C)c(/C=C(C(=C/c2c(C)cc(C)cc2C)\[N+](=O)[O-])/[N+](=O)[O-])c(C)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?