Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 4.330\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. O=C(c1ccncc1)N1CCN(c2ccc3ccccc3n2)CC1
b. O=C(Cc1ncc(C(F)(F)F)cc1Cl)N1CCN(c2ccccn2)CC1
c. COc1ccc(N2CCN(C3CCCN(Cc4ccc(F)cc4Cl)C3)CC2)cc1
d. CC(C)(c1ccccc1)c1ccc(OCCCN2CCNCC2)cc1.O=C(O)C(=O)O
e. N#CCOc1coc(CN2CCN(c3cccc(Cl)c3)CC2)cc1=O
Answer: a. O=C(c1ccncc1)N1CCN(c2ccc3ccccc3n2)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#}
O=C(c1ccncc1)N1CCN(c2ccc3ccccc3n2)CC1
O=C(c1ccncc1)N1CCN(c2ccc3ccccc3n2)CC1
pyridin-4-yl-(4-quinolin-2-ylpiperazin-1-yl)methanone