Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -3.355\% 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: O=C(NCCC1=CCCCC1)c1coc(=O)c(Br)c1
b: COc1ccc(-c2nn(-c3ccccc3)cc2/C=C/C(=O)N2CCN(c3ccccn3)CC2)cc1
c: COC(=O)C1CSc2[nH]c(=O)sc2C1c1ccccc1
d: Cc1nc(SCC(=O)Nc2cc(C)on2)c2c3c(sc2n1)CCCC3
e: CCN(CC(=O)Nc1ccc(OC)cc1)C(=O)Cc1coc2cc(C)c(C)cc12
Answer: a. O=C(NCCC1=CCCCC1)c1coc(=O)c(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=C(NCCC1=CCCCC1)c1coc(=O)c(Br)c1
O=C(NCCC1=CCCCC1)c1coc(=O)c(Br)c1
5-bromo-N-[2-(cyclohexen-1-yl)ethyl]-6-oxopyran-3-carboxamide