Task: Answer the MCQ question.
Query: Which drug exhibits a -2.681\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COc1ccccc1N1CCN(C(CNS(=O)(=O)c2cc(F)ccc2F)c2cccnc2)CC1
(b) O=C1CCCC2=C1C(c1ccc(Br)cc1)c1c([nH]c(=S)[nH]c1=O)N2
(c) CCC1(c2ccccc2)NC(=O)N(CC(=O)Nc2ccc(S(=O)(=O)Nc3ncccn3)cc2)C1=O
(d) CCOC(=O)c1cnc2oc3ccccc3n2c1=O
Answer: a. COc1ccccc1N1CCN(C(CNS(=O)(=O)c2cc(F)ccc2F)c2cccnc2)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#}
COc1ccccc1N1CCN(C(CNS(=O)(=O)c2cc(F)ccc2F)c2cccnc2)CC1
COc1ccccc1N1CCN(C(CNS(=O)(=O)c2cc(F)ccc2F)c2cccnc2)CC1
2,5-difluoro-N-[2-[4-(2-methoxyphenyl)piperazin-1-yl]-2-pyridin-3-ylethyl]benzenesulfonamide