Task: Answer the multiple-choice question.
Question: Which compound has a -0.974\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) CCN1CCC(Nc2ccnc3cc(Cl)ccc23)CC1
(b) CC(c1ccccc1)N1C(=O)C2C3CCC(C3)C2C1=O
(c) COc1cc(CNC(C)C23CC4CC(CC(C4)C2)C3)cc(OC)c1OC.Cl
(d) CC(C)(C)S(=O)(=O)c1cnc(-c2ccccn2)nc1N
(e) Cc1ccc(Nc2c(-c3ccc(N(C)C)cc3)nc3ncccn23)cc1
Answer: a. CCN1CCC(Nc2ccnc3cc(Cl)ccc23)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#}
CCN1CCC(Nc2ccnc3cc(Cl)ccc23)CC1
CCN1CCC(Nc2ccnc3cc(Cl)ccc23)CC1
7-chloro-N-(1-ethylpiperidin-4-yl)quinolin-4-amine