Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 5.942\% 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) Cn1c(CNc2ccc(Br)cc2)nc2ccccc21
(b) Cc1ccccc1NC(=O)c1ccc(CN2CCC(Cc3ccccc3)CC2)cc1
(c) O=[N+]([O-])c1cc(Cl)cc(/C=N/NC(=S)Nc2ccc(S(=O)(=O)N3CCOCC3)cc2)c1O
(d) CCOC(=O)c1c(C)[nH]c(C(=O)CSc2nnnn2-c2ccccc2)c1C
Answer: a. Cn1c(CNc2ccc(Br)cc2)nc2ccccc21
{#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#}
Cn1c(CNc2ccc(Br)cc2)nc2ccccc21
Cn1c(CNc2ccc(Br)cc2)nc2ccccc21
[C][N][C][Branch1][=C][C][N][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring2][Ring1][C]
4-bromo-N-[(1-methylbenzimidazol-2-yl)methyl]aniline