Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 20.216\% 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) COC(=O)[C@@]1(Cc2ccc(F)cc2)[C@H]2c3cc(C(=O)N(C)C)n(CCSCCO)c3C[C@H]2CN1C(=O)c1ccccc1
(b) O=S(=O)(O)c1nnc2sc3ccccc3n12
(c) COC(=O)CNC(=O)C1CCCN1C(=O)CNC(=O)OC(C)(C)C
(d) CCCN(C(=O)CCNC(=O)Cn1cnc2ccccc2c1=O)c1cccc(C)c1
Answer: b. O=S(=O)(O)c1nnc2sc3ccccc3n12
{#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#}
O=S(=O)(O)c1nnc2sc3ccccc3n12
O=S(=O)(O)c1nnc2sc3ccccc3n12
[1,2,4]triazolo[3,4-b][1,3]benzothiazole-1-sulfonic acid