Task: Answer the multiple choice question.
Query: Which drug has a 2.347\% human ether-à-go-go related gene (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] CCc1ccc(-c2nc(SCC(=O)c3c(N)n(C4CC4)c(=O)[nH]c3=O)n[nH]2)cc1
[b] Br.c1ccc(NC2=NCCCS2)cc1
[c] O=C(Nc1cccc(S(=O)(=O)NC2=NCCC2)c1)c1ccc(=O)[nH]c1
[d] Cc1c(C(=O)N(C)Cc2cccc(F)c2)oc2c(Cl)cccc12
Answer: b. Br.c1ccc(NC2=NCCCS2)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#}
Br.c1ccc(NC2=NCCCS2)cc1
Br.c1ccc(NC2=NCCCS2)cc1
N-phenyl-5,6-dihydro-4H-1,3-thiazin-2-amine;hydrobromide