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 or b without using any other words.
Options:
[a] CCC(C)(C)C1CCc2[nH]nc(C(=O)NCc3ccccn3)c2C1
[b] Clc1ccc(C[n+]2cc(-c3ccc(Cl)cc3)n3c2CCC3)cc1.[Cl-]
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}