Task: Answer the multiple choice question.
Query: Which drug exhibits a -21.438\% human ether-à-go-go related gene (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) CCCC[n+]1ccn(C2=C([O-])c3ccccc3C(=O)/C2=N\S(=O)(=O)c2ccc(Br)cc2)c1
b) Cc1cccc(S(=O)(=O)N2CCn3cccc3C2C)c1
c) COc1cccc(OC)c1OCCOc1ccc(C(=O)c2ccccc2)cc1
d) COc1ccc(CN2Cc3cccc4c3[C@@H](CC2=O)[C@H](O)[C@H](O)C4)cc1
e) CC1CCC2(CC1)N=C(N)Nc1nc3ccccc3n12
Answer: a. CCCC[n+]1ccn(C2=C([O-])c3ccccc3C(=O)/C2=N\S(=O)(=O)c2ccc(Br)cc2)c1
{#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#}
CCCC[n+]1ccn(C2=C([O-])c3ccccc3C(=O)/C2=N\S(=O)(=O)c2ccc(Br)cc2)c1
CCCC[n+]1ccn(C2=C([O-])c3ccccc3C(=O)/C2=N\S(=O)(=O)c2ccc(Br)cc2)c1
(3Z)-3-(4-bromophenyl)sulfonylimino-2-(3-butylimidazol-3-ium-1-yl)-4-oxonaphthalen-1-olate