Problem statement: Answer the MCQ question.
Question: Which drug has a 3.854\% 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 COC(=O)c1ccc(NC(=O)C2CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)cc1
b COC(=O)C1Cc2ccccc2CN1C(=O)CCl
c CC(C)n1cc(C(=O)N2CCCC(N3CCN(c4cccc(Cl)c4)CC3)C2)cn1
Answer: b. COC(=O)C1Cc2ccccc2CN1C(=O)CCl
{#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)C1Cc2ccccc2CN1C(=O)CCl
COC(=O)C1Cc2ccccc2CN1C(=O)CCl
methyl 2-(2-chloroacetyl)-3,4-dihydro-1H-isoquinoline-3-carboxylate