Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cc1nc2ccccc2c(=O)n1Cc1ccc([N+](=O)[O-])cc1
(b) CCc1ccc(N2C(=O)NC(=O)C(Cc3ccc(OC)cc3OC)C2=O)cc1
(c) O=C(O)c1cc(-c2cc3ccccc3o2)nn1-c1ccccc1
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}