Task: Answer the MCQ question.
Question: Which compound exhibits a 6.229\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cc1ccc(CNC(=O)c2ccccc2NC(=O)CN2CCN(C)CC2)cc1
b CC(Oc1ccc([N+](=O)[O-])cc1Cl)C(=O)Nc1ccc(C(N)=O)cc1
Answer: b. CC(Oc1ccc([N+](=O)[O-])cc1Cl)C(=O)Nc1ccc(C(N)=O)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC(Oc1ccc([N+](=O)[O-])cc1Cl)C(=O)Nc1ccc(C(N)=O)cc1
CC(Oc1ccc([N+](=O)[O-])cc1Cl)C(=O)Nc1ccc(C(N)=O)cc1
4-[2-(2-chloro-4-nitrophenoxy)propanoylamino]benzamide