Task: Answer the MCQ question.
Query: Which compound has a 21.264\% 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 additional words.
Options:
[a] COc1ccc(-c2[nH]ncc2-c2nc(C)cs2)c(O)c1
[b] Br.N=c1ccn(CC(=O)c2ccc(-c3ccccc3)cc2)cc1
[c] Cc1cccc(-n2nc3c([n+]2[O-])CCc2nonc2-3)c1C
[d] Nn1c(SCc2ccc(Br)cc2)nnc1-c1cccnc1
Answer: d. Nn1c(SCc2ccc(Br)cc2)nnc1-c1cccnc1
{#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#}
Nn1c(SCc2ccc(Br)cc2)nnc1-c1cccnc1
Nn1c(SCc2ccc(Br)cc2)nnc1-c1cccnc1
3-[(4-bromophenyl)methylsulfanyl]-5-pyridin-3-yl-1,2,4-triazol-4-amine