Task: Answer the MCQ question.
Query: Which compound has a 1.986\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C=CCN=C(SCC(=O)c1ccc(Cl)cc1)c1c(O)n(C)c(=O)n(C)c1=O
b: O=C(CNS(=O)(=O)c1ccc(F)c(Cl)c1)N1CCCC1
Answer: a. C=CCN=C(SCC(=O)c1ccc(Cl)cc1)c1c(O)n(C)c(=O)n(C)c1=O
{#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#}
C=CCN=C(SCC(=O)c1ccc(Cl)cc1)c1c(O)n(C)c(=O)n(C)c1=O
C=CCN=C(SCC(=O)c1ccc(Cl)cc1)c1c(O)n(C)c(=O)n(C)c1=O
[2-(4-chlorophenyl)-2-oxoethyl] 4-hydroxy-1,3-dimethyl-2,6-dioxo-N-prop-2-enylpyrimidine-5-carboximidothioate