Task: Answer the MCQ question.
Question: Which drug exhibits a 13.958\% 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) O=C(CCc1nnc2ccc(N3CCC4(CC3)OCCO4)nn12)N1CCCCC1
(b) Cn1cccc1CC(=O)NNC(=S)Nc1ccc(Cl)cc1
Answer: a. O=C(CCc1nnc2ccc(N3CCC4(CC3)OCCO4)nn12)N1CCCCC1
{#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(CCc1nnc2ccc(N3CCC4(CC3)OCCO4)nn12)N1CCCCC1
O=C(CCc1nnc2ccc(N3CCC4(CC3)OCCO4)nn12)N1CCCCC1
3-[6-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]-1-piperidin-1-ylpropan-1-one