Ic1ccc2c(c1)N(c1ccccc1)c1cc([N-]c3ccc4nc5ccc(I)cc5[n+](-c5ccccc5)c4c3)ccc1N2
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?