Task: Answer the MCQ question.
Question: Which compound exhibits a 18.417\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] O=C1C2C3C=CC(CC3)C2C(=O)N1c1cccc(Br)c1
[b] CCCCC(=O)NC(=S)Nc1nnn(CCC)n1
[c] NS(=O)(=O)c1cccc(NS(=O)(=O)c2ccc(/C=C/C(=O)OCC(=O)c3ccc(Br)cc3)cc2)c1
[d] CC1=[N+](CC(=O)c2ccccc2)CCn2cccc21.[Br-]
Answer: a. O=C1C2C3C=CC(CC3)C2C(=O)N1c1cccc(Br)c1
{#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=C1C2C3C=CC(CC3)C2C(=O)N1c1cccc(Br)c1
O=C1C2C3C=CC(CC3)C2C(=O)N1c1cccc(Br)c1
4-(3-bromophenyl)-4-azatricyclo[5.2.2.02,6]undec-8-ene-3,5-dione