Task: Answer the MCQ question.
Query: Which compound exhibits a -3.408\% 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.) O=C(NCc1ccc(Cl)cc1)C1C2C=CC3(CN(Cc4cccnc4)C(=O)C13)O2
b.) NCCCN1CCN(c2ccccc2)CC1
c.) Cc1ccc(-n2c(-c3ccncc3)n[nH]c2=S)cc1
d.) COc1ccc(C(=O)Nn2cnc3ccccc3c2=O)c(OC)c1
Answer: b. NCCCN1CCN(c2ccccc2)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#}
NCCCN1CCN(c2ccccc2)CC1
NCCCN1CCN(c2ccccc2)CC1
3-(4-phenylpiperazin-1-yl)propan-1-amine