Task: Answer the MCQ question.
Query: Which compound exhibits a -1.359\% 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 O=C(O)c1cccc(N2C(=O)c3ccc4c5c(ccc(c35)C2=O)C(=O)N(c2cccc(C(=O)O)c2)C4=O)c1
b COCC1CCN(Cc2cn[nH]c2-c2cc(OC)c(OC)c(OC)c2)CC1
c O=C(c1ccc(F)cc1)c1cnc(Nc2ccccc2)s1
d Cc1cc(Cl)ccc1OCC(O)CNCCc1ccc(S(N)(=O)=O)cc1
Answer: b. COCC1CCN(Cc2cn[nH]c2-c2cc(OC)c(OC)c(OC)c2)CC1
{#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#}
COCC1CCN(Cc2cn[nH]c2-c2cc(OC)c(OC)c(OC)c2)CC1
COCC1CCN(Cc2cn[nH]c2-c2cc(OC)c(OC)c(OC)c2)CC1
4-(methoxymethyl)-1-[[5-(3,4,5-trimethoxyphenyl)-1H-pyrazol-4-yl]methyl]piperidine