Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 6.272\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] Cc1cc(C)nc(N2CCN(C(=O)CCC(=O)Nc3nnc(C(C)C)s3)CC2)n1
[b] CC(C)[C@H](NC(=O)Nc1cccc(Br)c1)C(=O)O
[c] Nc1ccc[n+](CC(=O)c2ccccc2)c1.[Br-]
[d] CCN(CC)S(=O)(=O)c1ccc(NC=C(C#N)C#N)cc1
[e] O=c1oc2ccccc2c2oc3cc(O)c(O)cc3c12
Answer: b. CC(C)[C@H](NC(=O)Nc1cccc(Br)c1)C(=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#}
CC(C)[C@H](NC(=O)Nc1cccc(Br)c1)C(=O)O
CC(C)[C@H](NC(=O)Nc1cccc(Br)c1)C(=O)O
(2S)-2-[(3-bromophenyl)carbamoylamino]-3-methylbutanoic acid