Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.539\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=C(NCc1cccnc1)C1CC(c2cccc(Br)c2)=NO1
b.) COC(=O)C1=C(C)N(C)C(=O)NC1c1ccc(O)c(OC)c1
c.) CCCCSc1nnc(-c2ccc(C)cc2)c2ccccc12
Answer: c. CCCCSc1nnc(-c2ccc(C)cc2)c2ccccc12
{#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#}
CCCCSc1nnc(-c2ccc(C)cc2)c2ccccc12
CCCCSc1nnc(-c2ccc(C)cc2)c2ccccc12
1-butylsulfanyl-4-(4-methylphenyl)phthalazine