Task: Answer the multiple choice question.
Question: Which drug exhibits a -1.811\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a O=C(NCCCn1ccnc1)c1ccncc1
b CN(c1ccccc1)S(=O)(=O)c1cc(C(=O)Nc2nc3ccccc3[nH]2)ccc1Cl
Answer: a. O=C(NCCCn1ccnc1)c1ccncc1
{#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(NCCCn1ccnc1)c1ccncc1
O=C(NCCCn1ccnc1)c1ccncc1
N-(3-imidazol-1-ylpropyl)pyridine-4-carboxamide