Problem statement: Answer the multiple-choice question.
Query: Which compound has a -4.373\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCN(CC)S(=O)(=O)c1ccc(Cl)c(C(=O)NC(C)C(c2cccs2)N2CCCC2)c1
b: CCc1nn(C(C)C(=O)N2CCN(c3ccccc3)CC2)c(=O)c2cc3occc3n12
Answer: b. CCc1nn(C(C)C(=O)N2CCN(c3ccccc3)CC2)c(=O)c2cc3occc3n12
{#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#}
CCc1nn(C(C)C(=O)N2CCN(c3ccccc3)CC2)c(=O)c2cc3occc3n12
CCc1nn(C(C)C(=O)N2CCN(c3ccccc3)CC2)c(=O)c2cc3occc3n12
12-ethyl-10-[1-oxo-1-(4-phenylpiperazin-1-yl)propan-2-yl]-5-oxa-1,10,11-triazatricyclo[6.4.0.02,6]dodeca-2(6),3,7,11-tetraen-9-one