Task: Answer the multiple-choice question.
Query: Which drug has a 2.600\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cc1ccc(C(=O)COC(=O)c2cccc([N+](=O)[O-])c2)s1
(b) O=C(NCCCN1CCCCC1)c1ccc2c(c1)NC(=O)C(N1CCOCC1)S2
(c) CCOc1ccc(S(=O)(=O)Nc2cccc(C(=O)N(C)Cc3cccc(OC)c3OC)c2)cc1
Answer: a. Cc1ccc(C(=O)COC(=O)c2cccc([N+](=O)[O-])c2)s1
{#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#}
Cc1ccc(C(=O)COC(=O)c2cccc([N+](=O)[O-])c2)s1
Cc1ccc(C(=O)COC(=O)c2cccc([N+](=O)[O-])c2)s1
[2-(5-methylthiophen-2-yl)-2-oxoethyl] 3-nitrobenzoate