Task: Answer the multiple choice question.
Query: Which compound exhibits a 1.851\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=c1[nH]cc(S(=O)(=O)N2CCCc3ccccc32)c(=O)[nH]1
(b) COC(=O)c1ccccc1NC(=O)CSc1nnc(-c2cccnc2)o1
(c) CCOc1ccc(-c2c(C(=O)N/N=C/c3ccco3)nnn2-c2nonc2N)cc1
(d) O=C(c1ccc(NS(=O)(=O)c2cccs2)cc1)N1CCCCC1
Answer: a. O=c1[nH]cc(S(=O)(=O)N2CCCc3ccccc32)c(=O)[nH]1
{#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=c1[nH]cc(S(=O)(=O)N2CCCc3ccccc32)c(=O)[nH]1
O=c1[nH]cc(S(=O)(=O)N2CCCc3ccccc32)c(=O)[nH]1
5-(3,4-dihydro-2H-quinolin-1-ylsulfonyl)-1H-pyrimidine-2,4-dione