Task: Answer the multiple-choice question.
Question: Which drug exhibits a -4.313\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COc1ccc(CC2C(=O)N(C)C(=O)N(C)C2=O)c(OC)c1
b Cc1cc(OCC(=O)OCC(=O)NC2CCCC2)ccc1Cl
c CN1CCN(C(=S)c2ccc(Br)cc2)CC1
d COc1ccc(C(C)NC(=O)C2CCCO2)cc1OC
Answer: c. CN1CCN(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#}
CN1CCN(C(=S)c2ccc(Br)cc2)CC1
CN1CCN(C(=S)c2ccc(Br)cc2)CC1
(4-bromophenyl)-(4-methylpiperazin-1-yl)methanethione