Task: Answer the MCQ question.
Query: Which drug has a -4.562\% human ether-à-go-go related gene (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 Clc1cccc(OCCCN2CCCC2)c1Cl
b O=C(NC1CCCC1)C(c1ccncc1)N(C(=O)c1csnn1)c1cccc(Cl)c1
c N#Cc1nc(-c2ccccc2)oc1NCCCn1ccnc1
Answer: a. Clc1cccc(OCCCN2CCCC2)c1Cl
{#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#}
Clc1cccc(OCCCN2CCCC2)c1Cl
Clc1cccc(OCCCN2CCCC2)c1Cl
1-[3-(2,3-dichlorophenoxy)propyl]pyrrolidine