Task: Answer the multiple-choice question.
Question: Which compound exhibits a -27.568\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CN(CC1CCCO1)S(=O)(=O)c1ccc(C(=O)Nc2ccc3c(c2)OCO3)cc1
(b) O=C1CC2(CCN(C(=O)c3ccccc3Cl)CC2)Oc2ccccc21
Answer: b. O=C1CC2(CCN(C(=O)c3ccccc3Cl)CC2)Oc2ccccc21
{#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=C1CC2(CCN(C(=O)c3ccccc3Cl)CC2)Oc2ccccc21
O=C1CC2(CCN(C(=O)c3ccccc3Cl)CC2)Oc2ccccc21
1'-(2-chlorobenzoyl)spiro[3H-chromene-2,4'-piperidine]-4-one