Task: Answer the multiple choice question.
Query: Which compound exhibits a -0.328\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(CCn1c2c(c3ccccc31)CCCC2)NNC(=O)c1ccc([N+](=O)[O-])cc1
(b) Cc1cc(OCc2cn3cccnc3n2)ccc1Cl
Answer: b. Cc1cc(OCc2cn3cccnc3n2)ccc1Cl
{#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#}
Cc1cc(OCc2cn3cccnc3n2)ccc1Cl
Cc1cc(OCc2cn3cccnc3n2)ccc1Cl
2-[(4-chloro-3-methylphenoxy)methyl]imidazo[1,2-a]pyrimidine