Task: Answer the multiple-choice question.
Question: Which compound exhibits a 2.137\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(COC(=O)CNC(=O)c1ccc(-c2ccccc2)cc1)NCc1ccco1
b.) O=C(Nc1ccc(N2CCCC2)cc1)c1cccc(F)c1
Answer: b. O=C(Nc1ccc(N2CCCC2)cc1)c1cccc(F)c1
{#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(Nc1ccc(N2CCCC2)cc1)c1cccc(F)c1
O=C(Nc1ccc(N2CCCC2)cc1)c1cccc(F)c1
[O][=C][Branch2][Ring1][Ring1][N][C][=C][C][=C][Branch1][Branch2][N][C][C][C][C][Ring1][Branch1][C][=C][Ring1][O][C][=C][C][=C][C][Branch1][C][F][=C][Ring1][#Branch1]
3-fluoro-N-(4-pyrrolidin-1-ylphenyl)benzamide