Task: Answer the MCQ question.
Question: Which drug has a -24.736\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(c1cccs1)N1CCN(CCc2ccccc2)CC1
[b] Cc1cc(NC(=O)Cc2ccccc2)no1
[c] CCCCCC(=O)N/N=C/c1ccc(N(C)C)cc1
Answer: a. O=C(c1cccs1)N1CCN(CCc2ccccc2)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#}
O=C(c1cccs1)N1CCN(CCc2ccccc2)CC1
O=C(c1cccs1)N1CCN(CCc2ccccc2)CC1
[4-(2-phenylethyl)piperazin-1-yl]-thiophen-2-ylmethanone