Task: Answer the MCQ question.
Question: Which compound exhibits a 3.986\% 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, d, or e without using any additional words.
Options:
a O=c1nc(N2CCCC2)nc(Nc2ccccc2)[nH]1
b COc1ccc(N2CCN(CCN3C(=O)c4ccccc4C3=O)CC2)cc1
c O=C(CCNS(=O)(=O)c1ccc(Cl)cc1)OCC(=O)c1ccc[nH]1
d O=C(Oc1ccccc1C(=S)N1CCOCC1)c1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
e CN(Cc1ccco1)C(=O)C(Cc1ccccc1)NS(=O)(=O)c1ccc2c(c1)CCC(=O)N2
Answer: c. O=C(CCNS(=O)(=O)c1ccc(Cl)cc1)OCC(=O)c1ccc[nH]1
{#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#}
O=C(CCNS(=O)(=O)c1ccc(Cl)cc1)OCC(=O)c1ccc[nH]1
O=C(CCNS(=O)(=O)c1ccc(Cl)cc1)OCC(=O)c1ccc[nH]1
[2-oxo-2-(1H-pyrrol-2-yl)ethyl] 3-[(4-chlorophenyl)sulfonylamino]propanoate