Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 2.472\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOCCOC(=O)C1=C(C)NC(=O)NC1c1ccc2c(c1)OCO2
(b) O=C(Cn1nc2n(c1=O)-c1ccccc1SC2)N/N=C/c1cccnc1
Answer: b. O=C(Cn1nc2n(c1=O)-c1ccccc1SC2)N/N=C/c1cccnc1
{#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(Cn1nc2n(c1=O)-c1ccccc1SC2)N/N=C/c1cccnc1
O=C(Cn1nc2n(c1=O)-c1ccccc1SC2)N/N=C/c1cccnc1
2-(1-oxo-4H-[1,2,4]triazolo[3,4-c][1,4]benzothiazin-2-yl)-N-[(E)-pyridin-3-ylmethylideneamino]acetamide