Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] Nc1nc(-c2ccco2)nn1S(=O)(=O)c1ccccc1
[b] C=CCCCCCCCCc1nc(=S)[nH][nH]1
[c] Brc1ccc(CN2C3=NCCCN3c3ccccc32)cc1.Cl
Answer: c
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}