Task: Answer the multiple choice question.
Query: Which compound has a 13.297\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1ccc(-c2ccc3c(c2)S(=O)(=O)c2cccc(C(=O)O)c2C3=O)cc1OC
b: Cc1c(Cl)cccc1NC(=O)CNC(=O)c1cn(-c2ccccc2)nc1-c1cccnc1
Answer: a. COc1ccc(-c2ccc3c(c2)S(=O)(=O)c2cccc(C(=O)O)c2C3=O)cc1OC
{#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#}
COc1ccc(-c2ccc3c(c2)S(=O)(=O)c2cccc(C(=O)O)c2C3=O)cc1OC
COc1ccc(-c2ccc3c(c2)S(=O)(=O)c2cccc(C(=O)O)c2C3=O)cc1OC
6-(3,4-dimethoxyphenyl)-9,10,10-trioxothioxanthene-1-carboxylic acid