Task: Answer the multiple choice question.
Query: Which compound exhibits a 4.067\% 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) COc1ccc(S(=O)(=O)N2CCN(C)CC2)cn1
(b) Cc1sc2ncn(CC(=O)NCCCC(=O)N3CCN(c4ccccc4)CC3)c(=O)c2c1C
(c) O=C(NCC(c1ccco1)N1CCCC1)c1ccccc1Sc1ccc(C(F)(F)F)cc1[N+](=O)[O-]
Answer: c. O=C(NCC(c1ccco1)N1CCCC1)c1ccccc1Sc1ccc(C(F)(F)F)cc1[N+](=O)[O-]
{#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#}
O=C(NCC(c1ccco1)N1CCCC1)c1ccccc1Sc1ccc(C(F)(F)F)cc1[N+](=O)[O-]
O=C(NCC(c1ccco1)N1CCCC1)c1ccccc1Sc1ccc(C(F)(F)F)cc1[N+](=O)[O-]
N-[2-(furan-2-yl)-2-pyrrolidin-1-ylethyl]-2-[2-nitro-4-(trifluoromethyl)phenyl]sulfanylbenzamide