Task: Answer the multiple choice question.
Query: Which drug exhibits a -0.168\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CCC(C)(NC=O)C(=O)Nc1c(C)cccc1C
(b) CN(C)C(=O)c1ccc(Nc2nc(-c3cccs3)nc3ccccc23)cc1
(c) CC(C)(C)n1nnnc1C(c1cccs1)N1CCN(c2ccccc2)CC1
(d) Cn1ccnc1SCC(=O)N1CCN(S(=O)(=O)c2ccccc2)CC1
Answer: c. CC(C)(C)n1nnnc1C(c1cccs1)N1CCN(c2ccccc2)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#}
CC(C)(C)n1nnnc1C(c1cccs1)N1CCN(c2ccccc2)CC1
CC(C)(C)n1nnnc1C(c1cccs1)N1CCN(c2ccccc2)CC1
1-[(1-tert-butyltetrazol-5-yl)-(thiophen-2-yl)methyl]-4-phenylpiperazine