Problem statement: Answer the multiple-choice question.
Question: Which drug has a 2.839\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CCC(C)(C(=O)Nc1c(C)cccc1C)N(C)C(=O)c1ccc2ccccc2n1
[b] CCC(=O)Nc1cc(C(=O)OCc2ccc(C(=O)Oc3ccccc3)cc2)ccc1C
[c] Cc1ccc2c(c1)[C@@H](O)C[C@@H](C)N2N=O
Answer: c. Cc1ccc2c(c1)[C@@H](O)C[C@@H](C)N2N=O
{#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#}
Cc1ccc2c(c1)[C@@H](O)C[C@@H](C)N2N=O
Cc1ccc2c(c1)[C@@H](O)C[C@@H](C)N2N=O
(2R,4S)-2,6-dimethyl-1-nitroso-3,4-dihydro-2H-quinolin-4-ol