Task: Answer the multiple-choice question.
Question: Which drug exhibits a -1.397\% 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(N/N=C/c1ccc(-c2ccc(S(=O)(=O)Nc3ncccn3)cc2)o1)c1cc2ccccc2cc1O
b) COC(=O)NCCOc1cc(C)ccc1C
Answer: b. COC(=O)NCCOc1cc(C)ccc1C
{#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#}
COC(=O)NCCOc1cc(C)ccc1C
COC(=O)NCCOc1cc(C)ccc1C
[C][O][C][=Branch1][C][=O][N][C][C][O][C][=C][C][Branch1][C][C][=C][C][=C][Ring1][#Branch1][C]
methyl N-[2-(2,5-dimethylphenoxy)ethyl]carbamate