Task: Answer the multiple choice question.
Query: Which drug exhibits a 15.867\% human ether-à-go-go related gene (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 CCOc1ccc2nc(SCc3ccc(CC(=O)O)cc3)c(C#N)cc2c1
b O=C1c2cc(CO)cc(O)c2C(=O)c2c(O[C@@H]3OC(CO)[C@@H](O)[C@@H](O)[C@@H]3O)cccc21
Answer: b. O=C1c2cc(CO)cc(O)c2C(=O)c2c(O[C@@H]3OC(CO)[C@@H](O)[C@@H](O)[C@@H]3O)cccc21
{#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=C1c2cc(CO)cc(O)c2C(=O)c2c(O[C@@H]3OC(CO)[C@@H](O)[C@@H](O)[C@@H]3O)cccc21
O=C1c2cc(CO)cc(O)c2C(=O)c2c(O[C@@H]3OC(CO)[C@@H](O)[C@@H](O)[C@@H]3O)cccc21
1-hydroxy-3-(hydroxymethyl)-8-[(2S,3S,4R,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyanthracene-9,10-dione