Problem statement: Answer the MCQ question.
Query: Which compound has a -23.340\% 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 other words.
Options:
[a] O=C(COC(=O)c1ccc(F)cc1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
[b] CCN1CCN(C(=S)c2ccc(Br)cc2)CC1
[c] Cc1ccccc1-n1nnnc1SCC(=O)Nc1ccc(S(=O)(=O)N2CCCC2)cc1
[d] Cc1sc2c(c1C)C(=O)/C(=C\Nc1ccccn1)S(=O)(=O)N2C
[e] Clc1ccc(NCn2cncn2)nc1
Answer: b. CCN1CCN(C(=S)c2ccc(Br)cc2)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#}
CCN1CCN(C(=S)c2ccc(Br)cc2)CC1
CCN1CCN(C(=S)c2ccc(Br)cc2)CC1
(4-bromophenyl)-(4-ethylpiperazin-1-yl)methanethione