Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(NCCN1CCOCC1)c1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
[b] CC1(C)C2CCC1(CS(=O)(=O)Nc1ccc(S(=O)(=O)NC3CCCCC3)cc1)C(=O)C2
Answer: a, 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}