Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.266\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(NCC1CCCO1)Nc1cccc(Cl)c1
(b) OC1(C#Cc2c(-c3ccsc3)oc3ccc(N4CCOCC4)cc23)CCCCC1
(c) COc1ccc(CNC(=O)CCSCc2cccc(F)c2)cc1
Answer: a. O=C(NCC1CCCO1)Nc1cccc(Cl)c1
{#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(NCC1CCCO1)Nc1cccc(Cl)c1
O=C(NCC1CCCO1)Nc1cccc(Cl)c1
1-(3-chlorophenyl)-3-(oxolan-2-ylmethyl)urea