Task: Answer the multiple-choice question.
Question: Which drug has a 18.612\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCC(C)/C(C)=N/NC(=O)CSc1nc2ccccc2[nH]1
[b] O=C1CNc2ccc(C(=O)N3CCN(c4ccccn4)CC3)cc2N1
[c] COc1ccc(-c2csc(NC(CO)c3nc4ccccc4n3Cc3ccc(C)cc3)n2)cc1
Answer: b. O=C1CNc2ccc(C(=O)N3CCN(c4ccccn4)CC3)cc2N1
{#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=C1CNc2ccc(C(=O)N3CCN(c4ccccn4)CC3)cc2N1
O=C1CNc2ccc(C(=O)N3CCN(c4ccccn4)CC3)cc2N1
7-(4-pyridin-2-ylpiperazine-1-carbonyl)-3,4-dihydro-1H-quinoxalin-2-one