Task: Answer the multiple-choice question.
Query: Which drug has a 16.971\% 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) COc1ccc(NS(=O)(=O)c2cccc(C(=O)NCc3ccco3)c2)cc1
(b) O=C(OCc1nnc(-c2ccc(Cl)cc2)o1)c1ccc(O)cc1
(c) CC(O)c1cccc(NC(=O)Cc2cccc3ccccc23)c1
(d) COc1ccc(/C=N/NC(=O)c2cnccn2)c(OC)c1OC
Answer: b. O=C(OCc1nnc(-c2ccc(Cl)cc2)o1)c1ccc(O)cc1
{#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(OCc1nnc(-c2ccc(Cl)cc2)o1)c1ccc(O)cc1
O=C(OCc1nnc(-c2ccc(Cl)cc2)o1)c1ccc(O)cc1
[5-(4-chlorophenyl)-1,3,4-oxadiazol-2-yl]methyl 4-hydroxybenzoate