Task: Answer the MCQ question.
Question: Which drug exhibits a 3.034\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(c1ccccc1)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccco3)c2)CC1
(b) COc1ccc(NC2=NC(=S)N(c3ccc(C)cc3)C23CCCCC3)cc1
Answer: a. O=C(c1ccccc1)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccco3)c2)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#}
O=C(c1ccccc1)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccco3)c2)CC1
O=C(c1ccccc1)N1CCN(c2ccc([N+](=O)[O-])c(NCc3ccco3)c2)CC1
[O][=C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][C][N][Branch2][Ring1][O][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][Branch1][#Branch2][N][C][C][=C][C][=C][O][Ring1][Branch1][=C][Ring1][S][C][C][Ring2][Ring1][=Branch1]
[4-[3-(furan-2-ylmethylamino)-4-nitrophenyl]piperazin-1-yl]-phenylmethanone