Task: Answer the multiple-choice question.
Query: Which drug exhibits a -18.790% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(CC1C(=O)NCCN1Cc1c(F)cccc1Cl)NC1CCCCCC1
(b) CCN(c1cccc(C)c1)S(=O)(=O)c1cc(CN2C(=O)c3cccnc3C2=O)ccc1OC
Answer: b. CCN(c1cccc(C)c1)S(=O)(=O)c1cc(CN2C(=O)c3cccnc3C2=O)ccc1OC
{#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#}
CCN(c1cccc(C)c1)S(=O)(=O)c1cc(CN2C(=O)c3cccnc3C2=O)ccc1OC
CCN(c1cccc(C)c1)S(=O)(=O)c1cc(CN2C(=O)c3cccnc3C2=O)ccc1OC
5-[(5,7-dioxopyrrolo[3,4-b]pyridin-6-yl)methyl]-N-ethyl-2-methoxy-N-(3-methylphenyl)benzenesulfonamide