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) COc1cc(=O)n(C)c2cc(N(C)C)ccc12
b) Cc1nn(-c2ccccc2)c(N)c1Sc1cccc([N+](=O)[O-])c1.Cl
c) COc1cc(NC(=O)COC(=O)c2cnc(C)cn2)c(C)cc1[N+](=O)[O-]
Answer: b
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}