Task: Answer the MCQ question.
Question: Which drug has a 18.684\% 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: C[C@H](/C=C/[C@@]1(O)[C@H](C)C[C@H](O)CC1(C)C)O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O
b: Cc1cccc2c1NC(=O)C2=Nc1ccc(Cl)cc1
Answer: b. Cc1cccc2c1NC(=O)C2=Nc1ccc(Cl)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#}
Cc1cccc2c1NC(=O)C2=Nc1ccc(Cl)cc1
Cc1cccc2c1NC(=O)C2=Nc1ccc(Cl)cc1
3-(4-chlorophenyl)imino-7-methyl-1H-indol-2-one