Task: Answer the multiple choice question.
Question: Which compound has a -18.180\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(c1cc2ccccc2o1)N1CCN(S(=O)(=O)c2cccs2)CC1
b.) CC(=O)N1CCc2cc3nc(C)cc(C)c3cc21
Answer: b. CC(=O)N1CCc2cc3nc(C)cc(C)c3cc21
{#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#}
CC(=O)N1CCc2cc3nc(C)cc(C)c3cc21
CC(=O)N1CCc2cc3nc(C)cc(C)c3cc21
1-(6,8-dimethyl-2,3-dihydropyrrolo[2,3-g]quinolin-1-yl)ethanone