Task: Answer the multiple choice question.
Question: Which drug exhibits a 13.127\% 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) COC(=O)c1sccc1NC(=O)c1csc2c1CCCC2
(b) O=C(O)C(F)(F)S(=O)(=O)O
(c) CC(C(=O)Nc1cccnc1)c1ccc([N+](=O)[O-])cc1
(d) Cc1nnc(NC(=O)CSc2cn(CCNC(=O)c3ccccc3)c3ccccc23)s1
Answer: b. O=C(O)C(F)(F)S(=O)(=O)O
{#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=C(O)C(F)(F)S(=O)(=O)O
O=C(O)C(F)(F)S(=O)(=O)O
2,2-difluoro-2-sulfoaceticacid