Task: Answer the MCQ question.
Question: Which compound exhibits a 20.045\% 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=C1CC(c2ccccc2)CCc2sccc2N1
b: O=C(Cn1c2c(c(=O)n3ncnc13)CCC2)N/N=C/c1cccs1
Answer: b. O=C(Cn1c2c(c(=O)n3ncnc13)CCC2)N/N=C/c1cccs1
{#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(Cn1c2c(c(=O)n3ncnc13)CCC2)N/N=C/c1cccs1
O=C(Cn1c2c(c(=O)n3ncnc13)CCC2)N/N=C/c1cccs1
2-(2-oxo-1,8,10,12-tetrazatricyclo[7.3.0.03,7]dodeca-3(7),9,11-trien-8-yl)-N-[(E)-thiophen-2-ylmethylideneamino]acetamide