Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -2.277\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1ccc(OCCSc2ncn[nH]2)cc1
b: CCOc1ccc(N2CC(C(=O)N3CC(C)OC(C)C3)CC2=O)cc1
c: CC(C)Cn1nc(C(=O)OCC(=O)NCC(F)(F)F)c2ccccc2c1=O
d: CCc1cc(-c2[nH]ncc2-c2ccc3c(c2)OCO3)c(O)cc1O
Answer: a. COc1ccc(OCCSc2ncn[nH]2)cc1
{#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#}
COc1ccc(OCCSc2ncn[nH]2)cc1
COc1ccc(OCCSc2ncn[nH]2)cc1
5-[2-(4-methoxyphenoxy)ethylsulfanyl]-1H-1,2,4-triazole