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 or b without using any additional words.
Options:
[a] CN(Cc1ccco1)S(=O)(=O)c1ccc(CN2C(=O)c3cccnc3C2=O)s1
[b] CCCn1c(SC/C(O)=C(\C#N)c2nc3ccccc3[nH]2)n[nH]c1=O
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}