Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -2.439\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCC(C)[C@H](NC(=O)NCc1ccc(S(N)(=O)=O)cc1)C(=O)OC
(b) COc1ccccc1-c1nnc(SCCN2CCOCC2)n1-c1ccc(C)cc1
Answer: b. COc1ccccc1-c1nnc(SCCN2CCOCC2)n1-c1ccc(C)cc1
{#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#}
COc1ccccc1-c1nnc(SCCN2CCOCC2)n1-c1ccc(C)cc1
COc1ccccc1-c1nnc(SCCN2CCOCC2)n1-c1ccc(C)cc1
4-[2-[[5-(2-methoxyphenyl)-4-(4-methylphenyl)-1,2,4-triazol-3-yl]sulfanyl]ethyl]morpholine