Problem statement: Answer the MCQ question.
Query: Which compound has a 4.355\% 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(CN(c1ccccn1)S(=O)(=O)c1ccccc1)N/N=C/c1cccc([N+](=O)[O-])c1
b. CC(C)=CCN1CCN(CC#Cc2ccccc2)CC1CCO
c. CC1CCCN(S(=O)(=O)c2ccc(NC(=O)CNC3CCCC3)cc2)C1
d. COC(=O)CSc1nc2c(c(C3CC=CCC3)c1C#N)CCC2
Answer: b. CC(C)=CCN1CCN(CC#Cc2ccccc2)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)=CCN1CCN(CC#Cc2ccccc2)CC1CCO
CC(C)=CCN1CCN(CC#Cc2ccccc2)CC1CCO
2-[1-(3-methylbut-2-enyl)-4-(3-phenylprop-2-ynyl)piperazin-2-yl]ethanol