Task: Answer the multiple choice question.
Query: Which compound exhibits a 12.036\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCCCNC(=O)NS(=O)(=O)c1ccc(C)cc1
(b) CSC1=N/C(=C\c2ccc(F)cc2)C(=O)S1
Answer: a. CCCCNC(=O)NS(=O)(=O)c1ccc(C)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#}
CCCCNC(=O)NS(=O)(=O)c1ccc(C)cc1
CCCCNC(=O)NS(=O)(=O)c1ccc(C)cc1
[C][C][C][C][N][C][=Branch1][C][=O][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch1][C][C][C][=C][Ring1][#Branch1]
1-butyl-3-(4-methylphenyl)sulfonylurea