Task: Answer the MCQ question.
Question: Which compound exhibits a -1.782\% 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) CC(C)CNCC1OCc2ccccc2CO1.Cl
b) O=c1[nH]c(-[n+]2ccccc2)c(/C=N/N=C(\[O-])c2ccccc2)s1
c) COc1ccccc1-n1cc(C(=O)NCC(=O)NCc2ccc(F)cc2)c2ccccc2c1=O
d) c1ccc(C[C@H]2CNCCN2CC2CCCCC2)cc1
Answer: d. c1ccc(C[C@H]2CNCCN2CC2CCCCC2)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#}
c1ccc(C[C@H]2CNCCN2CC2CCCCC2)cc1
c1ccc(C[C@H]2CNCCN2CC2CCCCC2)cc1
(2S)-2-benzyl-1-(cyclohexylmethyl)piperazine