Task: Answer the multiple choice question.
Query: Which drug has a 4.636\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CC1=Nn2c(nnc2-c2cccs2)SC1
(b) Cc1nnc(C)c2c(C)n(-c3cccc4cccnc34)c(C)c12
(c) COC(=O)c1nc(N)sc1C
Answer: b. Cc1nnc(C)c2c(C)n(-c3cccc4cccnc34)c(C)c12
{#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#}
Cc1nnc(C)c2c(C)n(-c3cccc4cccnc34)c(C)c12
Cc1nnc(C)c2c(C)n(-c3cccc4cccnc34)c(C)c12
8-(1,4,5,7-tetramethylpyrrolo[3,4-d]pyridazin-6-yl)quinoline