Problem statement: Answer the multiple-choice question.
Question: Which drug has a 2.891\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCN1CCN(C(=O)CN(Cc2ccccc2)S(C)(=O)=O)CC1
(b) Cc1ccc(NS(=O)(=O)c2c(C)[nH]c(C)c2C(=O)N2CCCCC2)c(Cl)c1
(c) CCN1CCc2c(sc3c2c(NCc2ccco2)nc2nnnn23)C1
Answer: a. CCN1CCN(C(=O)CN(Cc2ccccc2)S(C)(=O)=O)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#}
CCN1CCN(C(=O)CN(Cc2ccccc2)S(C)(=O)=O)CC1
CCN1CCN(C(=O)CN(Cc2ccccc2)S(C)(=O)=O)CC1
N-benzyl-N-[2-(4-ethylpiperazin-1-yl)-2-oxoethyl]methanesulfonamide