Task: Answer the MCQ question.
Query: Which compound exhibits a 18.719% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CCOC(=O)c1sc2nc3c(cc2c1N)COC(C)(C)C3
b: CC(C)OC(=O)Nc1ccc2c(c1)N(C(=O)CCN1CCN(CCO)CC1)c1ccccc1CC2.Cl.O
c: Cc1ccc(-n2nc3c(=O)n(CC(=O)NCc4ccccc4Cl)nc(C)c3c2C)cc1
d: CCOC(=O)C1(Cc2ccc(Cl)cc2)CCN(Cc2ccon2)CC1
e: CN1C(=S)SC(/[N+]([O-])=C/c2cccnc2)C1(C)C
Answer: a. CCOC(=O)c1sc2nc3c(cc2c1N)COC(C)(C)C3
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)c1sc2nc3c(cc2c1N)COC(C)(C)C3
CCOC(=O)c1sc2nc3c(cc2c1N)COC(C)(C)C3
ethyl 6-amino-12,12-dimethyl-11-oxa-4-thia-2-azatricyclo[7.4.0.03,7]trideca-1,3(7),5,8-tetraene-5-carboxylate