Task: Answer the multiple-choice question.
Query: Which drug has a -1.750\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a COc1ccc(C(=O)OCC(=O)c2ccc(C)c(S(=O)(=O)N3CCOCC3)c2)cc1OC
b Cc1cc(C)c2nc(N3CCCC3)c(C#N)cc2c1
c CC(C)CCNC(=O)Cc1ccccc1[N+](=O)[O-]
Answer: b. Cc1cc(C)c2nc(N3CCCC3)c(C#N)cc2c1
{#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#}
6,8-dimethyl-2-pyrrolidin-1-ylquinoline-3-carbonitrile