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 or b without using any additional words.
Options:
a: C/C(Cn1nnc([N+](=O)[O-])n1)=N\NC(=O)c1ccccc1O
b: Br.CC(C)(C)c1cc(C2=CSC3=NCCN23)cc(C(C)(C)C)c1O
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}