Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 19.956\% 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) Cc1cc2ccc(C)c(C)c2nc1SCC#N
b) COc1ccc2cc(C#N)c(Cl)nc2c1
c) Cc1ccc(-c2csc(NCCn3c(C(F)(F)F)nc4cc(C(F)(F)F)ccc43)n2)cc1
d) Cc1nn(Cc2cccc(C(=O)NC34CC5CC(CC(C5)C3)C4)c2)c(C)c1Br
Answer: b. COc1ccc2cc(C#N)c(Cl)nc2c1
{#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#}
COc1ccc2cc(C#N)c(Cl)nc2c1
COc1ccc2cc(C#N)c(Cl)nc2c1
[C][O][C][=C][C][=C][C][=C][Branch1][Ring1][C][#N][C][Branch1][C][Cl][=N][C][Ring1][=Branch2][=C][Ring1][=N]
2-chloro-7-methoxyquinoline-3-carbonitrile