Problem statement: Answer the multiple choice question.
Query: Which compound has a 1.375\% 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 other words.
Options:
a: COc1ccccc1CC(=O)N1CCN(c2cccc(Cl)c2)CC1
b: CCOC(=O)N1CCN(C(=O)C(=O)Nc2sc3c(c2C#N)CC(C)(C)OC3)CC1
c: COc1ccccc1N(CC(=O)NC(C)C)S(=O)(=O)c1cccs1
d: Cc1cccc(N2CC(C(=O)Nc3nnc(SCC(=O)N4CCOCC4)s3)CC2=O)c1
Answer: a. COc1ccccc1CC(=O)N1CCN(c2cccc(Cl)c2)CC1
{#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#}
COc1ccccc1CC(=O)N1CCN(c2cccc(Cl)c2)CC1
COc1ccccc1CC(=O)N1CCN(c2cccc(Cl)c2)CC1
1-[4-(3-chlorophenyl)piperazin-1-yl]-2-(2-methoxyphenyl)ethanone