Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.250\% 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, c, d, or e without using any other words.
Options:
a) COc1cccc(C2CC(c3ccccc3)n3ncnc3N2)c1
b) CN(C)CCc1c[nH]c2ccc(Cn3cncn3)cc12.O=C(O)c1ccccc1
c) O=[N+]([O-])c1cc(Cl)c(O)c(-[n+]2c(-c3ccccc3)cc(-c3ccccc3)cc2-c2ccccc2)c1.[O-][Cl+3]([O-])([O-])[O-]
d) N#Cc1ccccc1Sc1ccccc1C(=O)NCC(c1ccco1)N1CCCC1
e) Fc1ccc(NC(=S)Nc2nccs2)cc1
Answer: a. COc1cccc(C2CC(c3ccccc3)n3ncnc3N2)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#}
COc1cccc(C2CC(c3ccccc3)n3ncnc3N2)c1
COc1cccc(C2CC(c3ccccc3)n3ncnc3N2)c1
5-(3-methoxyphenyl)-7-phenyl-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidine