Task: Answer the multiple-choice question.
Question: Which drug has a 3.893\% 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 other words.
Options:
a: CC(C)C[C@H](NC(=O)N1CCn2c1nc1ccccc12)C(=O)N1CCCCC1
b: c1ccc(OCc2nnc3sc(-c4cccs4)nn23)cc1
c: O=C(OCC1OC(n2ccc(=O)[nH]c2=O)C(Cl)C1O)c1ccccc1
d: N#CCc1nnc2n1-c1ccccc1CCC2
Answer: b. c1ccc(OCc2nnc3sc(-c4cccs4)nn23)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#}
c1ccc(OCc2nnc3sc(-c4cccs4)nn23)cc1
c1ccc(OCc2nnc3sc(-c4cccs4)nn23)cc1
3-(phenoxymethyl)-6-thiophen-2-yl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole