Cc1cccc(NC(=O)CN2C(=O)N/C(=C\c3ccc(-c4cccc(C(=O)O)c4)o3)C2=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?