Task: Answer the MCQ question.
Question: Which compound has a 3.165\% 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. CCC(=O)Nc1ccc(S(=O)(=O)N2CCc3ccccc32)cc1
b. COc1ccc(Oc2nc(SC)nc3ccccc23)cc1
c. CC(C)CN1CCN(Cc2cccc3nccnc23)CC1CCO
d. CCn1cc(Br)c(C(=O)Nc2sc3c(c2C(N)=O)CCCC3)n1
e. COCCN(CCOC)CC(O)COC(c1ccccc1)c1ccccc1
Answer: c. CC(C)CN1CCN(Cc2cccc3nccnc23)CC1CCO
{#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#}
CC(C)CN1CCN(Cc2cccc3nccnc23)CC1CCO
CC(C)CN1CCN(Cc2cccc3nccnc23)CC1CCO
2-[1-(2-methylpropyl)-4-(quinoxalin-5-ylmethyl)piperazin-2-yl]ethanol