Cc1ccc(-c2csc(N3CCN(c4ccc5nc(-c6ccncc6)n(CCN6CCCCC6)c5c4)CC3)n2)cc1
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?