Task: Answer the MCQ question.
Query: Which drug exhibits a -5.807\% 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 other words.
Options:
a) COc1ccccc1OCC(=O)NNC(=O)C(=O)N1CCCC1
b) CCOC(=O)N/N=C(\C)c1ccc(C)o1
c) CCNC(=O)NCCc1c[nH]c2ccc(Cl)cc12
d) COc1cc(/C=N\Nc2ccc([N+](=O)[O-])cn2)ccc1OCC(=O)O
e) CCCC(C)NC(=O)COC(=O)c1cc(Br)c(Br)s1
Answer: c. CCNC(=O)NCCc1c[nH]c2ccc(Cl)cc12
{#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#}
CCNC(=O)NCCc1c[nH]c2ccc(Cl)cc12
CCNC(=O)NCCc1c[nH]c2ccc(Cl)cc12
1-[2-(5-chloro-1H-indol-3-yl)ethyl]-3-ethylurea