Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.143\% 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 additional words.
Options:
[a] Br.COc1cc2c(cc1OC)-c1c(OC)c(OC)cc3c1[C@H](C2)[NH+](C)CC3
[b] Cc1c(C(=O)OCC(=O)NCc2ccc3c(c2)OCO3)cccc1[N+](=O)[O-]
[c] O=C(CSc1ccc(Br)cc1)N1CCN(S(=O)(=O)c2ccccc2)CC1
[d] COc1ccc(-c2nc(N)n(C(=O)c3cccs3)n2)cc1
[e] Cc1nnc2n(c1=O)C(CS(=O)(=O)c1ccccc1)CS2
Answer: a. Br.COc1cc2c(cc1OC)-c1c(OC)c(OC)cc3c1[C@H](C2)[NH+](C)CC3
{#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.COc1cc2c(cc1OC)-c1c(OC)c(OC)cc3c1[C@H](C2)[NH+](C)CC3
Br.COc1cc2c(cc1OC)-c1c(OC)c(OC)cc3c1[C@H](C2)[NH+](C)CC3
(6aS)-1,2,9,10-tetramethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinolin-6-ium;hydrobromide