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, b, or c without using any additional words.
Options:
[a] CCOc1ccc2oc(C(=O)Nc3ccc4c(c3)OCO4)c(C)c2c1
[b] O=C(NCC(=O)N1CCN(C(=O)c2ccco2)CC1)c1ccc(Br)cc1
[c] Cc1ccccc1-c1nnn(C/C(N)=N/O)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}