Task: Answer the MCQ question.
Question: Which compound exhibits a 4.135\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COCCNC(=O)c1onc(CCl)c1C(=O)OC
(b) COc1cccc(CNCc2ccc(C(=O)O)cc2)c1OC.Cl
(c) Cn1cncc1C#Cc1ccc2cc(CCO)oc(=O)c2c1
(d) CC(C)(C)c1ccc(S(=O)(=O)N2CCC(CO)(CC3CCCCO3)CC2)cc1
Answer: a. COCCNC(=O)c1onc(CCl)c1C(=O)OC
{#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#}
COCCNC(=O)c1onc(CCl)c1C(=O)OC
COCCNC(=O)c1onc(CCl)c1C(=O)OC
methyl3-(chloromethyl)-5-(2-methoxyethylcarbamoyl)-1,2-oxazole-4-carboxylate