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, or c without using any additional words.
Options:
a) N#CCCN(C(=O)c1cc2c(s1)-c1ccccc1S(=O)(=O)C2)c1ccccc1
b) Fc1cccc(CSc2nnc3ccc(-c4ccncc4)nn23)c1
c) CC(C(=O)Nc1ccc(C#N)cc1)N(C)CC(=O)Nc1ccccc1Br
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}