Problem statement: Answer the multiple-choice question.
Question: Which compound has a 21.042\% human ether-à-go-go related gene (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. CCOc1ccc(Nc2nc(-c3cccnc3)cs2)cc1
b. Cc1ccc(S(=O)(=O)n2cnc3cc([N+](=O)[O-])ccc32)c(C)c1C
c. NC(=O)C1(N2CCCCC2)CCN(C(=O)c2ccc(-n3cnnn3)cc2)CC1
Answer: a. CCOc1ccc(Nc2nc(-c3cccnc3)cs2)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#}
CCOc1ccc(Nc2nc(-c3cccnc3)cs2)cc1
CCOc1ccc(Nc2nc(-c3cccnc3)cs2)cc1
[C][C][O][C][=C][C][=C][Branch2][Ring1][Ring1][N][C][=N][C][Branch1][=Branch2][C][=C][C][=C][N][=C][Ring1][=Branch1][=C][S][Ring1][O][C][=C][Ring2][Ring1][C]
N-(4-ethoxyphenyl)-4-pyridin-3-yl-1,3-thiazol-2-amine