Task: Answer the MCQ question.
Query: Which drug has a 12.999\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cn1nnc(NC(=O)CSc2ccc(Cl)cc2)n1
b: CCOC(=O)/C(=C/C=C1\Sc2cc(OCC)c(OCC)cc2N1CC)C(C)=O
Answer: a. Cn1nnc(NC(=O)CSc2ccc(Cl)cc2)n1
{#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#}
Cn1nnc(NC(=O)CSc2ccc(Cl)cc2)n1
Cn1nnc(NC(=O)CSc2ccc(Cl)cc2)n1
2-(4-chlorophenyl)sulfanyl-N-(2-methyltetrazol-5-yl)acetamide