Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -2.423\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=C(O)/C=C/c1cn(-c2ccccc2)nc1-c1cccc([N+](=O)[O-])c1
b.) CCCCCCn1c(C)nc2c(c1=O)c1nc3ccccc3nc1n2/N=C/c1ccco1
c.) COc1ccc2cc([C@H](C)C(=O)[O-])ccc2c1.[Na+]
Answer: b. CCCCCCn1c(C)nc2c(c1=O)c1nc3ccccc3nc1n2/N=C/c1ccco1
{#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#}
17-[(E)-furan-2-ylmethylideneamino]-13-hexyl-14-methyl-2,9,13,15,17-pentazatetracyclo[8.7.0.03,8.011,16]heptadeca-1,3,5,7,9,11(16),14-heptaen-12-one