Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C1NC(=S)N/C1=C/c1cc([N+](=O)[O-])ccc1N1CCOCC1
b. Cc1ccc(C(=O)N2CCCCC2C(=O)O)o1
c. COc1ccc2[nH]cc(CCNC(=O)COc3ccc4ccc(=O)oc4c3)c2c1
d. NS(=O)(=O)c1ccc(NC(=O)c2cc(-c3cccs3)nc3ccccc23)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_inhib%}
Answer: {%multiple_choice_result}