Task: Answer the multiple-choice question.
Question: Which drug exhibits a 1.519\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) Cc1ccccc1OCCCCc1c(C)n[nH]c1C
(b) Brc1ccc(C2=CSC3=NCCN23)cc1
(c) O=C(COC(=O)CNC(=O)c1ccco1)Nc1ccc(Cl)cn1
(d) O=CN1CCN(S(=O)(=O)c2ccc(Cl)c(C(=O)O)c2)CC1
(e) COc1ccc(/C=N/NC(=S)SC)cc1OC
Answer: b. Brc1ccc(C2=CSC3=NCCN23)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#}
Brc1ccc(C2=CSC3=NCCN23)cc1
Brc1ccc(C2=CSC3=NCCN23)cc1
[Br][C][=C][C][=C][Branch1][=N][C][=C][S][C][=N][C][C][N][Ring1][Branch2][Ring1][Branch1][C][=C][Ring1][=C]
3-(4-bromophenyl)-5,6-dihydroimidazo[2,1-b][1,3]thiazole