Task: Answer the multiple-choice question.
Query: Which drug has a -2.691% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1cccc(C2SCC(=O)N2c2ccc(Br)cc2)c1OC
(b) Cc1ccccc1CN1CCN(S(=O)(=O)c2cccc3nsnc23)CC1
Answer: a. COc1cccc(C2SCC(=O)N2c2ccc(Br)cc2)c1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cccc(C2SCC(=O)N2c2ccc(Br)cc2)c1OC
COc1cccc(C2SCC(=O)N2c2ccc(Br)cc2)c1OC
3-(4-bromophenyl)-2-(2,3-dimethoxyphenyl)-1,3-thiazolidin-4-one