Task: Answer the multiple choice question.
Query: Which drug exhibits a 6.566\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) CCOC(=O)c1sc2nc(C)nc(SCC(=O)NC3CCS(=O)(=O)C3)c2c1C
b) O=C(CNC(=O)C1CCCCC1)Nc1ccc(F)c(Cl)c1
c) Cc1ccc(Cn2nnc3c(=O)[nH]c(C4CCCN(C(=O)c5ccco5)C4)nc32)cc1
d) O=C(N/C(=C/c1ccc(Br)cc1)C(=O)N1CCCC1)c1cccs1
e) CCCN(CCC)C(=O)COc1cc(=O)n(CC)c2ccccc12
Answer: a. CCOC(=O)c1sc2nc(C)nc(SCC(=O)NC3CCS(=O)(=O)C3)c2c1C
{#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#}
CCOC(=O)c1sc2nc(C)nc(SCC(=O)NC3CCS(=O)(=O)C3)c2c1C
CCOC(=O)c1sc2nc(C)nc(SCC(=O)NC3CCS(=O)(=O)C3)c2c1C
ethyl 4-[2-[(1,1-dioxothiolan-3-yl)amino]-2-oxoethyl]sulfanyl-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate