CCOC(=O)c1ccc(/N=C2\S/C(=C\C(=S)Nc3ccccc3)N(c3ccccc3)\C2=N/c2ccc(C(=O)OCC)cc2)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?