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 additional words.
Options:
a) O=C1c2cccc3cccc(c23)C(=O)N1CCCN1CCN(c2ccc(F)cc2)CC1
b) CCCOc1ccc(-c2csc(N)n2)cc1[N+](=O)[O-]
c) CN1C(=O)c2ccccc2C(C(=O)O)C1c1cccc([N+](=O)[O-])c1
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}