Task: Answer the MCQ question.
Question: Which compound has a 2.845\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CC(C)(C)S(=O)(=O)c1ccccc1C(=O)O
b: COc1ccc(OC)c(-c2cc(C(=O)N3CCc4ccccc4C3)no2)c1
Answer: a. CC(C)(C)S(=O)(=O)c1ccccc1C(=O)O
{#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)S(=O)(=O)c1ccccc1C(=O)O
CC(C)(C)S(=O)(=O)c1ccccc1C(=O)O
[C][C][Branch1][C][C][Branch1][C][C][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]
2-tert-butylsulfonylbenzoicacid