Problem statement: Answer the MCQ question.
Query: Which drug has a 3.939\% 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] CN(CC(=O)N1CCc2ccccc21)S(=O)(=O)c1cccc2cccnc12
[b] O=C(CNc1cccc2ccccc12)N/N=C/c1ccccn1
Answer: b. O=C(CNc1cccc2ccccc12)N/N=C/c1ccccn1
{#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#}
O=C(CNc1cccc2ccccc12)N/N=C/c1ccccn1
O=C(CNc1cccc2ccccc12)N/N=C/c1ccccn1
2-(naphthalen-1-ylamino)-N-[(E)-pyridin-2-ylmethylideneamino]acetamide