Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 2.179\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. Cc1nn(-c2ccc(Cl)c(Cl)c2)c(=O)c2ccccc12
b. S=C(NCc1ccco1)Nc1ccc(Br)cn1
c. CCOC(=O)Cn1nnnc1C(CC)N(Cc1ccccc1)Cc1cc2cc(C)ccc2[nH]c1=O
Answer: b. S=C(NCc1ccco1)Nc1ccc(Br)cn1
{#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#}
S=C(NCc1ccco1)Nc1ccc(Br)cn1
S=C(NCc1ccco1)Nc1ccc(Br)cn1
1-(5-bromopyridin-2-yl)-3-(furan-2-ylmethyl)thiourea