Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.558\% 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.) Oc1ccc2ccccc2c1C=Nc1ccc(Cl)cn1
b.) Cc1cccc(NC(=O)COC(=O)c2cc(C)oc2C)c1
Answer: a. Oc1ccc2ccccc2c1C=Nc1ccc(Cl)cn1
{#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#}
Oc1ccc2ccccc2c1C=Nc1ccc(Cl)cn1
Oc1ccc2ccccc2c1C=Nc1ccc(Cl)cn1
1-[(5-chloropyridin-2-yl)iminomethyl]naphthalen-2-ol