Task: Answer the multiple-choice question.
Question: Which compound has a -2.764\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) O=C(CC(=O)N/N=C/c1cccs1)NCc1ccccc1
(b) O=C(Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1)c1cccnc1Cl
(c) Cc1cc(NC(=O)CSc2cn(C)c3ccccc23)no1
(d) Cn1c(=O)c2[nH]c(CN3CCN(Cc4ccccc4)CC3)nc2n(C)c1=O
Answer: d. Cn1c(=O)c2[nH]c(CN3CCN(Cc4ccccc4)CC3)nc2n(C)c1=O
{#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#}
Cn1c(=O)c2[nH]c(CN3CCN(Cc4ccccc4)CC3)nc2n(C)c1=O
Cn1c(=O)c2[nH]c(CN3CCN(Cc4ccccc4)CC3)nc2n(C)c1=O
8-[(4-benzylpiperazin-1-yl)methyl]-1,3-dimethyl-7H-purine-2,6-dione