Task: Answer the MCQ question.
Question: Which compound exhibits a -43.720\% 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] COc1ccc2c(/C=C/c3cc[n+](C)cc3)c[nH]c2c1.[I-]
[b] Cc1cccc(N2CCN(CCc3ccccc3)CC2)c1C
Answer: b. Cc1cccc(N2CCN(CCc3ccccc3)CC2)c1C
{#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#}
Cc1cccc(N2CCN(CCc3ccccc3)CC2)c1C
Cc1cccc(N2CCN(CCc3ccccc3)CC2)c1C
1-(2,3-dimethylphenyl)-4-(2-phenylethyl)piperazine