Problem statement: Answer the multiple-choice question.
Query: Which drug has a -24.870\% 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) COc1c(OC(C)=O)ccc(/C=C/c2ccc3cccc(OCc4ccccc4)c3n2)c1[N+](=O)[O-]
b) CCCC[N+]12C3C[C@H](C4[C@H](O)[C@]5(C[C@@H]41)c1ccccc1N(C)[C@@H]35)[C@H](CC)[C@H]2O.[I-]
Answer: b. CCCC[N+]12C3C[C@H](C4[C@H](O)[C@]5(C[C@@H]41)c1ccccc1N(C)[C@@H]35)[C@H](CC)[C@H]2O.[I-]
{#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+]12C3C[C@H](C4[C@H](O)[C@]5(C[C@@H]41)c1ccccc1N(C)[C@@H]35)[C@H](CC)[C@H]2O.[I-]
CCCC[N+]12C3C[C@H](C4[C@H](O)[C@]5(C[C@@H]41)c1ccccc1N(C)[C@@H]35)[C@H](CC)[C@H]2O.[I-]
(1R,9R,12R,13S,14R,16S,18S)-15-butyl-13-ethyl-8-methyl-8-aza-15-azoniahexacyclo[14.2.1.01,9.02,7.010,15.012,17]nonadeca-2,4,6-triene-14,18-diol;iodide