Task: Answer the multiple-choice question.
Question: Which drug has a 1.956\% 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] Nc1nc(CSc2n[nH]c(-c3ccccc3)n2)nc(Nc2ccccc2)n1
[b] CC(=O)N1c2ccccc2N(Cc2ccc([N+](=O)[O-])cc2)C(=O)C1(C)C
[c] CN(C(=O)COC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1)C1CCS(=O)(=O)C1
Answer: c. CN(C(=O)COC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1)C1CCS(=O)(=O)C1
{#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#}
CN(C(=O)COC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1)C1CCS(=O)(=O)C1
CN(C(=O)COC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1)C1CCS(=O)(=O)C1
[2-[(1,1-dioxothiolan-3-yl)-methylamino]-2-oxoethyl]1-thiophen-2-ylsulfonylpiperidine-4-carboxylate