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] CN(C(=O)CSc1nc(C2CC2)nc2ccccc12)c1nc(-c2ccccc2)cs1
[b] O=C(Nc1ccccc1N1CCN(C(=O)c2ccc(Cl)cc2)CC1)c1cc(Br)ccc1Cl
[c] CSc1nccc(Oc2ccc(C#N)cc2)n1
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}