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 additional words.
Options:
(a) Cc1c(CCOC(=O)c2ccc([N+](=O)[O-])cc2)sc[n+]1CC(=O)c1ccccc1.[Br-]
(b) CNc1cnn(-c2ccc(C)cc2)c(=O)c1Cl
(c) O=C1c2cccnc2C(=O)N1Cc1cccs1
(d) CCN(CC(=O)Nc1ccccc1OC)C(=O)CCOc1ccc(C(C)(C)C)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}