Task: Answer the multiple choice question.
Question: Which drug has a -2.102\% 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) CCCCCCCCNc1ncnc2ccccc12
(b) O=C(O)CCc1nc2cccnc2n1Cc1ccccc1
(c) Cc1ccc(SC[C@H](C)CN2CC[C@H](C)CCC2=O)cc1
(d) CC(C)c1nc(C(=O)N2CCCC(N3CCN(c4cccc(Cl)c4)CC3)C2)cs1
Answer: a. CCCCCCCCNc1ncnc2ccccc12
{#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#}
CCCCCCCCNc1ncnc2ccccc12
CCCCCCCCNc1ncnc2ccccc12
N-octylquinazolin-4-amine