Task: Answer the MCQ question.
Query: Which drug exhibits a -16.654% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(CCS(=O)(=O)c1ccc(F)cc1)Nc1nnc(-c2ccc(F)cc2)o1
[b] O=C(CN1CCN(c2ccc(Cl)cc2)CC1)c1ccc2c(c1)OCO2
[c] CCCCn1c(=O)c2c(c3ccccc31)OCC(=O)N2
[d] CCN1C(=O)c2cccc3c(NC(=O)c4ccc(OC)c(OC)c4)ccc1c23
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_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
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