Task: Answer the multiple choice question.
Query: Which drug has a 17.657\% 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: COC(=O)[C@]1(CC(C)C)N[C@H](c2ccc(-c3cccc(Cl)c3)cc2)[C@@H]2C(=O)N(C)C(=O)[C@@H]21.O=C(O)C(F)(F)F
b: CCCC[n+]1c(C)sc2ccc(C)cc21.[Cl-]
Answer: b. CCCC[n+]1c(C)sc2ccc(C)cc21.[Cl-]
{#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#}
CCCC[n+]1c(C)sc2ccc(C)cc21.[Cl-]
CCCC[n+]1c(C)sc2ccc(C)cc21.[Cl-]
3-butyl-2,5-dimethyl-1,3-benzothiazol-3-ium;chloride