Task: Answer the multiple-choice question.
Question: Which compound exhibits a 4.486\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cc1ccc(NC(=O)CSc2ncnc3ccccc23)cc1S(=O)(=O)N1CCCCC1
b O=C(Cn1nc(Cc2cccnc2)c2ccccc2c1=O)N1CCN(C(=O)c2ccco2)CC1
Answer: b. O=C(Cn1nc(Cc2cccnc2)c2ccccc2c1=O)N1CCN(C(=O)c2ccco2)CC1
{#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(Cn1nc(Cc2cccnc2)c2ccccc2c1=O)N1CCN(C(=O)c2ccco2)CC1
O=C(Cn1nc(Cc2cccnc2)c2ccccc2c1=O)N1CCN(C(=O)c2ccco2)CC1
2-[2-[4-(furan-2-carbonyl)piperazin-1-yl]-2-oxoethyl]-4-(pyridin-3-ylmethyl)phthalazin-1-one