Task: Answer the multiple-choice question.
Question: Which compound exhibits a 31.042\% 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(CNC(=O)c1ccc2ccccc2c1)OCC(=O)N1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
b: OCCN(Cc1ccccc1)C(=S)NC1CCCCC1
Answer: a. O=C(CNC(=O)c1ccc2ccccc2c1)OCC(=O)N1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
{#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(CNC(=O)c1ccc2ccccc2c1)OCC(=O)N1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
O=C(CNC(=O)c1ccc2ccccc2c1)OCC(=O)N1CCN(S(=O)(=O)c2ccc3ccccc3c2)CC1
[2-[4-(naphthalen-2-ylsulfonyl)piperazin-1-yl]-2-oxoethyl]2-(naphthalene-2-carbonylamino)acetate