Task: Answer the multiple-choice question.
Query: Which drug has a 2.049\% human ether-à-go-go related gene (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) CC1CCCN(S(=O)(=O)c2ccc(NC(=O)C3CCN(C(=O)c4ccco4)CC3)cc2)C1
b) O=C1CCCc2nc(N3CCc4ccccc43)ncc21
Answer: b. O=C1CCCc2nc(N3CCc4ccccc43)ncc21
{#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=C1CCCc2nc(N3CCc4ccccc43)ncc21
O=C1CCCc2nc(N3CCc4ccccc43)ncc21
2-(2,3-dihydroindol-1-yl)-7,8-dihydro-6H-quinazolin-5-one