Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -2.005\% 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 other words.
Options:
(a) CC(=O)C1=C(C)OC(N)=C(C#N)C1c1cc2cccc(C)c2nc1Cl
(b) CN(C)S(=O)(=O)c1cccc(NC(=O)CCc2c[nH]c3ccccc23)c1
(c) Cc1cccc(OCC(=O)Nc2ccccc2F)c1
(d) COCCNC(=O)c1c(N)sc2c1CCCC2
Answer: d. COCCNC(=O)c1c(N)sc2c1CCCC2
{#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#}
COCCNC(=O)c1c(N)sc2c1CCCC2
COCCNC(=O)c1c(N)sc2c1CCCC2
2-amino-N-(2-methoxyethyl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide