Task: Answer the multiple choice question.
Query: Which drug has a 20.887\% 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) OCC12COC3c4ccccc4C(OC1)N32
(b) COC(=O)C1C(=O)c2c(n[nH]c2C)CC1(C)C
(c) Cc1ccc(-c2n[nH]c(=S)n2/N=C/c2cccn2C)cc1
Answer: b. COC(=O)C1C(=O)c2c(n[nH]c2C)CC1(C)C
{#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#}
COC(=O)C1C(=O)c2c(n[nH]c2C)CC1(C)C
COC(=O)C1C(=O)c2c(n[nH]c2C)CC1(C)C
[C][O][C][=Branch1][C][=O][C][C][=Branch1][C][=O][C][C][=Branch1][#Branch1][=N][NH1][C][=Ring1][Branch1][C][C][C][Ring1][O][Branch1][C][C][C]
methyl 3,6,6-trimethyl-4-oxo-5,7-dihydro-2H-indazole-5-carboxylate