Task: Answer the multiple choice question.
Query: Which drug has a 12.043\% 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) COc1cc(Cl)c(C)cc1NC(=O)COC(=O)c1cnc(C)cn1
(b) O=C(O)CCC(=O)N1N=C(c2ccc(Br)cc2)CC1c1cccc(Br)c1
(c) O=C(CN1C(=O)C2C3c4ccccc4C(c4ccccc43)C2C1=O)N1CCOCC1
Answer: a. COc1cc(Cl)c(C)cc1NC(=O)COC(=O)c1cnc(C)cn1
{#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#}
COc1cc(Cl)c(C)cc1NC(=O)COC(=O)c1cnc(C)cn1
COc1cc(Cl)c(C)cc1NC(=O)COC(=O)c1cnc(C)cn1
[2-(4-chloro-2-methoxy-5-methylanilino)-2-oxoethyl] 5-methylpyrazine-2-carboxylate