Task: Answer the MCQ question.
Query: Which drug exhibits a -0.391\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1cccc(-n2c(SCC(=O)NCc3ccco3)nnc2-c2ccco2)c1
b. O=c1c2c(nc3n1CCCCC3)sc1c(O)c(Br)ccc12
Answer: b. O=c1c2c(nc3n1CCCCC3)sc1c(O)c(Br)ccc12
{#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=c1c2c(nc3n1CCCCC3)sc1c(O)c(Br)ccc12
O=c1c2c(nc3n1CCCCC3)sc1c(O)c(Br)ccc12
15-bromo-16-hydroxy-18-thia-2,9-diazatetracyclo[9.7.0.03,9.012,17]octadeca-1(11),2,12(17),13,15-pentaen-10-one