Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.344\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=C(Nc1ccc(Cl)c(Cl)c1)Nc1ccccc1NS(=O)(=O)c1cccs1
(b) Cc1csc(=O)n1CCC(=O)OCC(=O)Nc1cc([N+](=O)[O-])ccc1Cl
(c) Cc1ccc(C(=O)NC2CCN(S(=O)(=O)c3ccccc3F)CC2)cc1
(d) COc1cccc(CC2(CO)CCN(Cc3cn(C)nc3C)CC2)c1
(e) O=[N+]([O-])c1cc2c(c(CSc3nnnn3-c3ccc(O)cc3)c1)OCOC2
Answer: b. Cc1csc(=O)n1CCC(=O)OCC(=O)Nc1cc([N+](=O)[O-])ccc1Cl
{#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#}
Cc1csc(=O)n1CCC(=O)OCC(=O)Nc1cc([N+](=O)[O-])ccc1Cl
Cc1csc(=O)n1CCC(=O)OCC(=O)Nc1cc([N+](=O)[O-])ccc1Cl
[2-(2-chloro-5-nitroanilino)-2-oxoethyl] 3-(4-methyl-2-oxo-1,3-thiazol-3-yl)propanoate