Task: Answer the multiple-choice question.
Question: Which compound exhibits a 10.574\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. Cc1cc(C)n(C(=O)COc2c(C)cccc2C)n1
b. O=C(Cc1nc2ccccc2[nH]1)c1ccc(Br)cc1
c. CCN(CC)N=Nc1ccc(C(=O)[O-])cc1.[K+]
d. CC(C)CCn1c(SCC(=O)c2ccccc2)nc2c1c(=O)[nH]c(=O)n2C
Answer: b. O=C(Cc1nc2ccccc2[nH]1)c1ccc(Br)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(Cc1nc2ccccc2[nH]1)c1ccc(Br)cc1
O=C(Cc1nc2ccccc2[nH]1)c1ccc(Br)cc1
[O][=C][Branch1][#C][C][C][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][NH1][Ring1][=Branch2][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1]
1-(4-bromophenyl)-2-(1H-benzimidazol-2-yl)ethanone