Task: Answer the multiple choice question.
Query: Which compound exhibits a 12.604\% 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 other words.
Options:
a S=c1[nH]nc(-c2cc(-c3ccsc3)n[nH]2)n1-c1cccc2ccccc12
b COc1cc2c(cc1OC)CN(CC(O)c1ccccc1)CC2
c Cc1onc(-c2ccccc2Cl)c1C(=O)OCn1nnc2ccccc2c1=O
d O=C(OCC1OC(Oc2ccc(O)cc2)C(O)C(O)C1O)c1ccccc1
e CCOc1cc(C(c2c(C)[nH][nH]c2=O)c2c(C)[nH][nH]c2=O)ccc1OS(=O)(=O)c1ccc(C)cc1
Answer: b. COc1cc2c(cc1OC)CN(CC(O)c1ccccc1)CC2
{#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#}
COc1cc2c(cc1OC)CN(CC(O)c1ccccc1)CC2
COc1cc2c(cc1OC)CN(CC(O)c1ccccc1)CC2
2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-1-phenylethanol