Task: Answer the MCQ question.
Query: Which drug has a 8.474\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccc(N2CCN(CCNC(=O)C3CC(=O)N(C4CCCC4)C3)CC2)cc1
[b] COc1ccc(NC(=O)NNC(=O)c2ccc(Cl)cc2Cl)cc1OC
Answer: a. COc1ccc(N2CCN(CCNC(=O)C3CC(=O)N(C4CCCC4)C3)CC2)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#}
1-cyclopentyl-N-[2-[4-(4-methoxyphenyl)piperazin-1-yl]ethyl]-5-oxopyrrolidine-3-carboxamide