Task: Answer the multiple choice question.
Query: Which drug exhibits a 17.521\% 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 or b without using any additional words.
Options:
(a) COC(CNS(=O)(=O)c1cc2c3c(c1)CCN3C(=O)CC2)OC
(b) O=[N+]([O-])c1cc(C=Nc2ccc3ccccc3c2)ccc1Br
Answer: a. COC(CNS(=O)(=O)c1cc2c3c(c1)CCN3C(=O)CC2)OC
{#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#}
COC(CNS(=O)(=O)c1cc2c3c(c1)CCN3C(=O)CC2)OC
COC(CNS(=O)(=O)c1cc2c3c(c1)CCN3C(=O)CC2)OC
N-(2,2-dimethoxyethyl)-11-oxo-1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-triene-6-sulfonamide