Task: Answer the multiple choice question.
Question: Which drug has a 1.634\% 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) N#Cc1c(C#N)c(O)c2ccccc2c1O
(b) CCOC(=O)c1c(C)cccc1OCC(N)=O
(c) CCOC(=O)N1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc(C)cc3)CC2)CC1
Answer: c. CCOC(=O)N1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc(C)cc3)CC2)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#}
CCOC(=O)N1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc(C)cc3)CC2)CC1
CCOC(=O)N1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc(C)cc3)CC2)CC1
[C][C][O][C][=Branch1][C][=O][N][C][C][N][Branch2][Ring2][C][C][=Branch1][C][=O][C][C][C][N][Branch2][Ring1][Ring1][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch1][C][C][C][=C][Ring1][#Branch1][C][C][Ring1][S][C][C][Ring2][Ring1][Branch2]
ethyl 4-[1-(4-methylphenyl)sulfonylpiperidine-4-carbonyl]piperazine-1-carboxylate