Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 0.646\% 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] O=C(Cn1ncc2c3ccccc3n(Cc3ccccc3)c2c1=O)NCCN1CCOCC1
[b] Cc1ccccc1Cn1cc(NC(=O)CCCn2nc([N+](=O)[O-])cc2C)cn1
Answer: b. Cc1ccccc1Cn1cc(NC(=O)CCCn2nc([N+](=O)[O-])cc2C)cn1
{#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#}
Cc1ccccc1Cn1cc(NC(=O)CCCn2nc([N+](=O)[O-])cc2C)cn1
Cc1ccccc1Cn1cc(NC(=O)CCCn2nc([N+](=O)[O-])cc2C)cn1
4-(5-methyl-3-nitropyrazol-1-yl)-N-[1-[(2-methylphenyl)methyl]pyrazol-4-yl]butanamide