Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.938\% 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: FCCCOc1ccc(-c2nccc(-c3ccc(F)cc3)n2)cc1
b: CS(=O)(=O)N1CCCC(C(=O)N2CCc3ccccc3C2)C1
c: Cc1cc(C)c(S(=O)(=O)N2CCN(S(=O)(=O)N3CCOCC3)CC2)c(C)c1
d: CCCc1cc(=O)[nH]c(SCc2ccccc2Cl)n1
Answer: d. CCCc1cc(=O)[nH]c(SCc2ccccc2Cl)n1
{#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#}
CCCc1cc(=O)[nH]c(SCc2ccccc2Cl)n1
CCCc1cc(=O)[nH]c(SCc2ccccc2Cl)n1
2-[(2-chlorophenyl)methylsulfanyl]-4-propyl-1H-pyrimidin-6-one