Task: Answer the multiple choice question.
Question: Which compound has a 4.978\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CNc1snc(C)c1C(=O)OCC(=O)c1cc(F)ccc1OC
(b) CCCS(=O)(=O)c1nnnn1-c1cccc(OC)c1
Answer: a. CNc1snc(C)c1C(=O)OCC(=O)c1cc(F)ccc1OC
{#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#}
CNc1snc(C)c1C(=O)OCC(=O)c1cc(F)ccc1OC
CNc1snc(C)c1C(=O)OCC(=O)c1cc(F)ccc1OC
[2-(5-fluoro-2-methoxyphenyl)-2-oxoethyl] 3-methyl-5-(methylamino)-1,2-thiazole-4-carboxylate