Task: Answer the MCQ question.
Query: Which compound exhibits a 0.263\% 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, b, c, or d without using any additional words.
Options:
[a] COC(=O)CC(NC(=O)C1CC1)c1ccc2c(c1)OCO2
[b] COc1cc(C2c3c(oc4ccccc4c3=O)C(=O)N2CCN2CCOCC2)cc(OC)c1OC
[c] CCc1cccc(C)c1N(C(=O)Cn1c(=O)[nH]c2ccccc21)C(C)COC
[d] CCOC(=O)c1c(NC(=O)CSc2nc3cc(Cl)ccc3s2)sc(C(C)=O)c1C
Answer: a. COC(=O)CC(NC(=O)C1CC1)c1ccc2c(c1)OCO2
{#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)CC(NC(=O)C1CC1)c1ccc2c(c1)OCO2
COC(=O)CC(NC(=O)C1CC1)c1ccc2c(c1)OCO2
methyl3-(1,3-benzodioxol-5-yl)-3-(cyclopropanecarbonylamino)propanoate