Task: Answer the MCQ question.
Question: Which drug exhibits a -4.267\% 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) O=C(CCSc1nnc(-c2ccco2)o1)N1CCOCC1
b) Cn1c(-c2ccccc2)cc(-c2ccccc2)nc1=O
c) O=C(Cn1ncc2c1-c1ccccc1OC2)Nc1ccc(Cl)cn1
d) CN(Cc1nc(Cc2ccccc2F)no1)[C@@H]1CS(=O)(=O)C[C@H]1O
Answer: a. O=C(CCSc1nnc(-c2ccco2)o1)N1CCOCC1
{#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=C(CCSc1nnc(-c2ccco2)o1)N1CCOCC1
O=C(CCSc1nnc(-c2ccco2)o1)N1CCOCC1
3-[[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]-1-morpholin-4-ylpropan-1-one