Task: Answer the multiple choice question.
Query: Which compound exhibits a 20.416\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] Cc1cccc(N2CCN(C(=O)c3cccc(N4C(=O)C5C6C=CC(C6)C5C4=O)c3)CC2)c1C
[b] CCNC(=O)NC(=O)COC(=O)C1CSC2(C)CCC(=O)N12
[c] O=C(N/C(=C/c1ccc(Br)cc1)C(=O)N1CCOCC1)c1ccco1
Answer: a. Cc1cccc(N2CCN(C(=O)c3cccc(N4C(=O)C5C6C=CC(C6)C5C4=O)c3)CC2)c1C
{#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#}
Cc1cccc(N2CCN(C(=O)c3cccc(N4C(=O)C5C6C=CC(C6)C5C4=O)c3)CC2)c1C
Cc1cccc(N2CCN(C(=O)c3cccc(N4C(=O)C5C6C=CC(C6)C5C4=O)c3)CC2)c1C
4-[3-[4-(2,3-dimethylphenyl)piperazine-1-carbonyl]phenyl]-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione