Cc1ccc(C)c(N2N=C(C(=O)NCCN3C(=O)S/C(=C\c4cccnc4)C3=O)CCC2=O)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?