Task: Answer the multiple-choice question.
Question: Which drug exhibits a 19.265\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) OCC[C@@H]1C[C@H](O)[C@@H](O)[C@@]2(CCCc3ccccc3O2)O1
b) CC1(C)O[C@@H]2C[C@H]3[C@@H]4C[C@H](F)C5=CC(=O)C=C[C@]5(C)[C@H]4[C@@H](O)C[C@]3(C)[C@]2(C(=O)CO)O1
c) Cc1ccc(C(=O)CSc2nnc(C3CC3)n2C2CC2)s1
d) COc1ccccc1N(CC(O)CN1CCCCC1)S(=O)(=O)c1ccc(C)cc1
Answer: a. OCC[C@@H]1C[C@H](O)[C@@H](O)[C@@]2(CCCc3ccccc3O2)O1
{#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#}
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@@]2(CCCc3ccccc3O2)O1
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@@]2(CCCc3ccccc3O2)O1
(2S,3'R,4'S,6'R)-6'-(2-hydroxyethyl)spiro[4,5-dihydro-3H-1-benzoxepine-2,2'-oxane]-3',4'-diol