Task: Answer the MCQ question.
Question: Which drug exhibits a 15.616\% 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 Cc1nc2ccccc2n1CCN1CCOCC1.Cl
b CCOc1ccc(C(=O)NCC(=O)OCCCC(=O)c2ccc(F)cc2)cc1OCC
c COc1ccc(OC)c(N2Cc3cc(C)c(C)cc3C2)c1
d CCOC(=O)C[n+]1ccc2ccccc2c1Cc1cc(OC)c(OC)c(OC)c1.[Br-]
e CC(C)CN(C(=O)COC(=O)c1cccn1C)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
Answer: a. Cc1nc2ccccc2n1CCN1CCOCC1.Cl
{#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#}
Cc1nc2ccccc2n1CCN1CCOCC1.Cl
Cc1nc2ccccc2n1CCN1CCOCC1.Cl
4-[2-(2-methylbenzimidazol-1-yl)ethyl]morpholine;hydrochloride