Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 13.556\% 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: NS(=O)(=O)c1ccc(CNS(=O)(=O)c2cc(C(=O)O)ccc2Cl)cc1
b: COc1ccccc1OCCCOc1c(Cl)cc(C)cc1Cl
Answer: b. COc1ccccc1OCCCOc1c(Cl)cc(C)cc1Cl
{#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#}
COc1ccccc1OCCCOc1c(Cl)cc(C)cc1Cl
COc1ccccc1OCCCOc1c(Cl)cc(C)cc1Cl
1,3-dichloro-2-[3-(2-methoxyphenoxy)propoxy]-5-methylbenzene