Task: Answer the MCQ question.
Question: Which compound exhibits a 5.434\% 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 additional words.
Options:
a) COC(=O)c1ccccc1OCCCOc1ccc(C=O)cc1OC
b) O=c1cc(CSc2nc(NCc3ccccc3)c3ccccc3n2)nc2ccc(Cl)cn12
c) Cc1ccc(NC(=O)N2CCCC(c3ccccc3)C2)cc1
Answer: a. COC(=O)c1ccccc1OCCCOc1ccc(C=O)cc1OC
{#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#}
COC(=O)c1ccccc1OCCCOc1ccc(C=O)cc1OC
COC(=O)c1ccccc1OCCCOc1ccc(C=O)cc1OC
methyl 2-[3-(4-formyl-2-methoxyphenoxy)propoxy]benzoate