Task: Answer the multiple choice question.
Question: Which drug has a -2.797% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Nc1ccc(-n2cc(-c3ccccc3)[nH]c2=S)cc1
(b) c1nc(NC2CCCC2)c2[nH]cnc2n1
(c) O=C(NCCc1ccccc1)c1ccc2c(c1)OCCCO2
(d) O=C(/C=C/c1cc(Br)ccc1F)OCC(=O)N1CCCC1
Answer: b. c1nc(NC2CCCC2)c2[nH]cnc2n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
c1nc(NC2CCCC2)c2[nH]cnc2n1
c1nc(NC2CCCC2)c2[nH]cnc2n1
N-cyclopentyl-7H-purin-6-amine