Task: Answer the MCQ question.
Query: Which compound exhibits a 2.457\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a Cc1noc(/C=C/N(C)C)c1S(=O)(=O)N1CCCC(C(=O)Nc2ccc3c(c2)OCO3)C1
b CC(C)CNC(=O)c1ccccc1Oc1ccccc1
c COc1ccc(C2C(C#N)=C(N)N(c3cccnc3)C3=C2C(=O)CCC3)cc1Cn1cc([N+](=O)[O-])cn1
d COc1ccc2c(c1)c(=O)cc(-c1ccccc1)n2C
e O=C(Nc1ccc(Cl)cc1C(=O)Nc1ccc(Br)cn1)c1ccco1
Answer: e. O=C(Nc1ccc(Cl)cc1C(=O)Nc1ccc(Br)cn1)c1ccco1
{#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(Nc1ccc(Cl)cc1C(=O)Nc1ccc(Br)cn1)c1ccco1
O=C(Nc1ccc(Cl)cc1C(=O)Nc1ccc(Br)cn1)c1ccco1
[O][=C][Branch2][Ring1][=N][N][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][C][Br][C][=N][Ring1][#Branch1][C][=C][C][=C][O][Ring1][Branch1]
N-[2-[(5-bromopyridin-2-yl)carbamoyl]-4-chlorophenyl]furan-2-carboxamide