Task: Answer the MCQ question.
Question: Which drug exhibits a 14.343\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=[N+]([O-])c1ccc(Cl)cc1Sc1ccccn1
(b) Cn1c(=O)oc2cc(S(=O)(=O)N3CCC(C(=O)NCC4COc5ccccc5O4)CC3)ccc21
(c) Cc1ccc(C2=NS(=O)(=O)N(C)C(C(=O)Nc3ccc(F)cc3F)=C2)cc1
Answer: a. O=[N+]([O-])c1ccc(Cl)cc1Sc1ccccn1
{#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=[N+]([O-])c1ccc(Cl)cc1Sc1ccccn1
O=[N+]([O-])c1ccc(Cl)cc1Sc1ccccn1
2-(5-chloro-2-nitrophenyl)sulfanylpyridine