Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.391\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccc(C(=O)C2CCCN(S(=O)(=O)c3cccc(C)c3)C2)c(C)c1
[b] C[C@@H]1C(=O)O[C@H]2[C@H]1CC[C@@]1(C)C(=O)C=C[C@@](C)(O)[C@H]21
Answer: b. C[C@@H]1C(=O)O[C@H]2[C@H]1CC[C@@]1(C)C(=O)C=C[C@@](C)(O)[C@H]21
{#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#}
C[C@@H]1C(=O)O[C@H]2[C@H]1CC[C@@]1(C)C(=O)C=C[C@@](C)(O)[C@H]21
C[C@@H]1C(=O)O[C@H]2[C@H]1CC[C@@]1(C)C(=O)C=C[C@@](C)(O)[C@H]21
[C][C@@H1][C][=Branch1][C][=O][O][C@H1][C@H1][Ring1][=Branch1][C][C][C@@][Branch1][C][C][C][=Branch1][C][=O][C][=C][C@@][Branch1][C][C][Branch1][C][O][C@H1][Ring1][=C][Ring1][#Branch2]
(3S,3aS,5aR,9R,9aS,9bS)-9-hydroxy-3,5a,9-trimethyl-3,3a,4,5,9a,9b-hexahydrobenzo[g][1]benzofuran-2,6-dione