Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 12.794\% 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: COCC(=O)Nc1sc2c(c1C(=O)OC)CCCC2
b: Cn1cnnc1SCC(=O)Nc1ccc(Oc2ccccc2)cc1
c: OCCn1c(Cl)nc2ccccc21
d: COc1ccc(N2CCN(C(=O)CSc3nnnn3C3CC3)CC2)cc1
Answer: c. OCCn1c(Cl)nc2ccccc21
{#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#}
OCCn1c(Cl)nc2ccccc21
OCCn1c(Cl)nc2ccccc21
2-(2-chlorobenzimidazol-1-yl)ethanol