Task: Answer the MCQ question.
Question: Which drug has a 1.869\% 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 O=C(c1ccco1)N1CCN(C2=NS(=O)(=O)c3ccccc32)CC1
b CCOc1ccc(OCC)c(NC(=O)C2CCCN(S(=O)(=O)c3cnc[nH]3)C2)c1
c CCOC(=O)Cn1c(CN2CCOCC2)nc2c1c(=O)[nH]c(=O)n2C
d Cc1c(C)c2c(C)[nH]nc2oc1=O
Answer: a. O=C(c1ccco1)N1CCN(C2=NS(=O)(=O)c3ccccc32)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#}
[4-(1,1-dioxo-1,2-benzothiazol-3-yl)piperazin-1-yl]-(furan-2-yl)methanone