Task: Answer the multiple choice question.
Query: Which compound exhibits a 18.530\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) COCCCn1cnnc1SCC(=O)Nc1ccc(S(=O)(=O)N2CCCC2)cc1
b) c1ccc2[nH]c(NC3=NCCC3)nc2c1
c) COc1ccc(CNC(=O)COC(=O)c2cc(-c3cccs3)nc3ccccc23)cc1OC
Answer: c. COc1ccc(CNC(=O)COC(=O)c2cc(-c3cccs3)nc3ccccc23)cc1OC
{#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#}
[2-[(3,4-dimethoxyphenyl)methylamino]-2-oxoethyl] 2-thiophen-2-ylquinoline-4-carboxylate