Task: Answer the multiple choice question.
Question: Which compound exhibits a 7.638\% 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. CCOC(=O)c1c(C)[nH]c(C(=O)CSc2nnc(CC(C)c3ccccc3)o2)c1C
b. Brc1cc(Br)c(Oc2cc(Br)c(Br)cc2Br)cc1Br
c. COc1ccc(N2CCN(Cc3cc(=O)oc4cc5c(cc34)CCCC5)CC2)cc1
d. CSc1nnc2c3cc(F)ccc3n(Cc3ccccc3)c2n1
Answer: d. CSc1nnc2c3cc(F)ccc3n(Cc3ccccc3)c2n1
{#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#}
5-benzyl-8-fluoro-3-methylsulfanyl-[1,2,4]triazino[5,6-b]indole