Task: Answer the multiple-choice question.
Question: Which drug exhibits a 19.775\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) C=CCC(NCc1ccco1)c1ccc(OC)cc1
b.) COc1ccc(C(CC(=O)N2CCCC2)C(C)C)cc1
c.) CCOC(=O)c1c(C)[nH]c(C(=O)COC(=O)c2ccc(O)cc2)c1C
d.) CC1Cc2cc(S(=O)(=O)N3CCC(C(=O)Nc4ccccn4)CC3)ccc2N1C(=O)C1CCC1
Answer: a. C=CCC(NCc1ccco1)c1ccc(OC)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#}
C=CCC(NCc1ccco1)c1ccc(OC)cc1
C=CCC(NCc1ccco1)c1ccc(OC)cc1
N-(furan-2-ylmethyl)-1-(4-methoxyphenyl)but-3-en-1-amine