Task: Answer the MCQ question.
Question: Which compound has a 16.319\% 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(OCCCc3ccccc32)O1
(b) Cc1nc2cc(C(=O)O)ccc2n1-c1ccccc1
(c) Cc1nn(C)cc1/C=N/NC(=O)c1ccco1
(d) CCOC(=O)c1c(C)n(C)c2ccc(OC)c(NS(=O)(=O)CC)c12
Answer: a. OCC[C@@H]1C[C@H](O)[C@@H](O)[C@@]2(OCCCc3ccccc32)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(OCCCc3ccccc32)O1
OCC[C@@H]1C[C@H](O)[C@@H](O)[C@@]2(OCCCc3ccccc32)O1
(1S,3'R,4'S,6'R)-6'-(2-hydroxyethyl)spiro[4,5-dihydro-3H-2-benzoxepine-1,2'-oxane]-3',4'-diol