Task: Answer the multiple-choice question.
Question: Which drug exhibits a -10.222% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(NCC1CCCO1)c1cc2n(n1)C(C(F)(F)F)CC(c1ccc(Br)cc1)N2
[b] CCCCc1ccc(NC(=O)N[C@H](C(=O)O)C(C)CC)cc1
Answer: b. CCCCc1ccc(NC(=O)N[C@H](C(=O)O)C(C)CC)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCc1ccc(NC(=O)N[C@H](C(=O)O)C(C)CC)cc1
CCCCc1ccc(NC(=O)N[C@H](C(=O)O)C(C)CC)cc1
(2S)-2-[(4-butylphenyl)carbamoylamino]-3-methylpentanoic acid