Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 14.530\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCCCN(CC)S(=O)(=O)c1ccc(C(=O)Nc2nnc(-c3cccs3)o2)cc1
b O=C(O)c1cccnc1Cl
Answer: b. O=C(O)c1cccnc1Cl
{#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#}
O=C(O)c1cccnc1Cl
O=C(O)c1cccnc1Cl
2-chloropyridine-3-carboxylicacid