Task: Answer the multiple-choice question.
Query: Which drug exhibits a 20.748\% 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(Sc1cccc2cccc(C(=O)O)c12)C(=O)O
b. CC(C)c1nc(SCC(=O)NC2CCCC2)c2c(=O)n(C)c(=O)n(C)c2n1
Answer: a. CC(Sc1cccc2cccc(C(=O)O)c12)C(=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(Sc1cccc2cccc(C(=O)O)c12)C(=O)O
CC(Sc1cccc2cccc(C(=O)O)c12)C(=O)O
8-(1-hydroxy-1-oxopropan-2-yl)sulfanylnaphthalene-1-carboxylicacid