Task: Answer the MCQ question.
Question: Which compound exhibits a 20.099\% 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 COc1cccc(CN=CC2=C(O)CC(C)(C)CC2=O)c1OC
b O=C1C2CCCCC2C(=O)N1c1ccc(NC2CCN(Cc3ccccc3)CC2)c([N+](=O)[O-])c1
c Cc1ccc(-n2c(C)cc(C(=O)COC(=O)C3=NNC(=O)CC3)c2C)cc1
d Cl.OCCN(CC#CC(O)(c1ccccc1)C1CCCCC1)CCO
Answer: d. Cl.OCCN(CC#CC(O)(c1ccccc1)C1CCCCC1)CCO
{#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#}
Cl.OCCN(CC#CC(O)(c1ccccc1)C1CCCCC1)CCO
Cl.OCCN(CC#CC(O)(c1ccccc1)C1CCCCC1)CCO
4-[bis(2-hydroxyethyl)amino]-1-cyclohexyl-1-phenylbut-2-yn-1-ol;hydrochloride