Task: Answer the MCQ question.
Question: Which drug exhibits a 8.578\% 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) O=C(c1n[nH]c(=O)c2ccccc12)N1CCN(c2ccccc2Cl)CC1
b) O=C(CCCCO)CCCCCCCC[C@H]1N[C@H](CO)[C@H](O)[C@@H]1O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
Answer: b. O=C(CCCCO)CCCCCCCC[C@H]1N[C@H](CO)[C@H](O)[C@@H]1O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
{#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(CCCCO)CCCCCCCC[C@H]1N[C@H](CO)[C@H](O)[C@@H]1O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
O=C(CCCCO)CCCCCCCC[C@H]1N[C@H](CO)[C@H](O)[C@@H]1O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
1-hydroxy-13-[(2R,3R,4S,5R)-4-hydroxy-5-(hydroxymethyl)-3-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypyrrolidin-2-yl]tridecan-5-one