Task: Answer the MCQ question.
Query: Which compound has a 1.871\% 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 NS(=O)(=O)c1cc2c(cc1Cl)NC(c1ccccc1OCC(=O)O)NS2(=O)=O
b O=C(/C=C/c1cccnc1)c1ccc(O)cc1
c Cc1cc(NC(=O)CSc2nc(=O)n3cc(Cl)ccc3n2)no1
Answer: b. O=C(/C=C/c1cccnc1)c1ccc(O)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#}
O=C(/C=C/c1cccnc1)c1ccc(O)cc1
O=C(/C=C/c1cccnc1)c1ccc(O)cc1
(E)-1-(4-hydroxyphenyl)-3-pyridin-3-ylprop-2-en-1-one