Task: Answer the MCQ question.
Query: Which drug has a 13.678\% 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) NCc1c(O)ccc2ccccc12
(b) Cc1cccc(NC(=S)NC2CC3CCC(C2)N3Cc2ccco2)c1
Answer: a. NCc1c(O)ccc2ccccc12
{#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#}
NCc1c(O)ccc2ccccc12
NCc1c(O)ccc2ccccc12
[N][C][C][=C][Branch1][C][O][C][=C][C][=C][C][=C][C][=C][Ring1][O][Ring1][=Branch1]
1-(aminomethyl)naphthalen-2-ol