Task: Answer the multiple-choice question.
Question: Which drug has a 1.864\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) C=CCn1c(SCC(=O)N2CCN(C(=O)c3ccco3)CC2)nc2sc(CC)cc2c1=O
(b) O=C(CN1CCN(c2ccc(Cl)cc2)CC1)c1ccc2c(c1)OCO2
Answer: b. O=C(CN1CCN(c2ccc(Cl)cc2)CC1)c1ccc2c(c1)OCO2
{#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(CN1CCN(c2ccc(Cl)cc2)CC1)c1ccc2c(c1)OCO2
O=C(CN1CCN(c2ccc(Cl)cc2)CC1)c1ccc2c(c1)OCO2
1-(1,3-benzodioxol-5-yl)-2-[4-(4-chlorophenyl)piperazin-1-yl]ethanone