Task: Answer the MCQ question.
Question: Which compound exhibits a 12.624\% 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, or d without using any other words.
Options:
a O=C(OCC1OC(n2ccc(=O)[nH]c2=O)C(Cl)C1O)c1ccccc1
b CCOc1cccc2c1OC(c1cc(OC)c(OC)c(OC)c1)N1N=C(c3ccc(C)o3)CC21
c Cc1ccc(S(=O)(=O)N2CCN(c3nn(C)c(=O)n(C)c3=O)CC2)cc1C
d O=C1OCc2cc(NC(=O)C3CCCO3)ccc21
Answer: b. CCOc1cccc2c1OC(c1cc(OC)c(OC)c(OC)c1)N1N=C(c3ccc(C)o3)CC21
{#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#}
CCOc1cccc2c1OC(c1cc(OC)c(OC)c(OC)c1)N1N=C(c3ccc(C)o3)CC21
CCOc1cccc2c1OC(c1cc(OC)c(OC)c(OC)c1)N1N=C(c3ccc(C)o3)CC21
7-ethoxy-2-(5-methylfuran-2-yl)-5-(3,4,5-trimethoxyphenyl)-5,10b-dihydro-1H-pyrazolo[1,5-c][1,3]benzoxazine