Problem statement: Answer the MCQ question.
Question: Which drug has a 3.071\% 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] O=C(CSc1ncccn1)c1ccccc1Br
[b] COc1cc(-c2nn3c(-c4cccnc4)nnc3s2)cc(OC)c1OC
Answer: b. COc1cc(-c2nn3c(-c4cccnc4)nnc3s2)cc(OC)c1OC
{#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#}
COc1cc(-c2nn3c(-c4cccnc4)nnc3s2)cc(OC)c1OC
COc1cc(-c2nn3c(-c4cccnc4)nnc3s2)cc(OC)c1OC
[C][O][C][=C][C][Branch2][Ring1][#Branch1][C][=N][N][C][Branch1][=Branch2][C][=C][C][=C][N][=C][Ring1][=Branch1][=N][N][=C][Ring1][O][S][Ring1][=C][=C][C][Branch1][Ring1][O][C][=C][Ring2][Ring1][=Branch1][O][C]
3-pyridin-3-yl-6-(3,4,5-trimethoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole