Task: Answer the multiple choice question.
Question: Which drug has a 14.773\% 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) NCCCn1cnc2ccccc21
(b) Cc1ccc(S(=O)(=O)N2CCN(C(=O)c3c(-c4ccccc4)noc3C)CC2)cc1
Answer: a. NCCCn1cnc2ccccc21
{#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#}
NCCCn1cnc2ccccc21
NCCCn1cnc2ccccc21
3-(benzimidazol-1-yl)propan-1-amine