Task: Answer the MCQ question.
Question: Which drug has a -0.497\% 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) COC(=O)C1(C)CC1(c1ccccc1)c1ccccc1
(b) Cc1ccc(CNC(=O)C(C(=O)NCc2ccc(C)o2)c2ncc(C(F)(F)F)cc2Cl)o1
(c) Cc1nnc(SCC(=O)Nc2cccnc2Cl)s1
Answer: a. COC(=O)C1(C)CC1(c1ccccc1)c1ccccc1
{#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#}
COC(=O)C1(C)CC1(c1ccccc1)c1ccccc1
COC(=O)C1(C)CC1(c1ccccc1)c1ccccc1
methyl 1-methyl-2,2-diphenylcyclopropane-1-carboxylate