Task: Answer the MCQ question.
Query: Which drug has a 5.235\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOc1ccc(S(=O)(=O)N2CCCC(C(=O)NCc3cccnc3)C2)cc1Cl
[b] CCN(CC(=O)Nc1cc(Cl)ccc1C)c1ncnc2sc(C)c(C)c12
Answer: b. CCN(CC(=O)Nc1cc(Cl)ccc1C)c1ncnc2sc(C)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#}
CCN(CC(=O)Nc1cc(Cl)ccc1C)c1ncnc2sc(C)c(C)c12
CCN(CC(=O)Nc1cc(Cl)ccc1C)c1ncnc2sc(C)c(C)c12
N-(5-chloro-2-methylphenyl)-2-[(5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)-ethylamino]acetamide