Cc1ccc(C(=O)O)cc1-c1ccc(/C=C2\SC(=O)N(CC(=O)Nc3ccc4c(c3)OCO4)C2=O)o1
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?