COc1ccc(/N=C(/[N-]n2c(=O)c(C)nn(C)c2=S)N(c2ccc(OC)cc2)c2n[n+]3c(=O)c(C)nn(C)c3s2)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?