Problem statement: Answer the multiple choice question.
Question: Which compound has a 25.093\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(O)CN1CCN(Cc2cccc(Cl)c2)C1=O
b) O=C(O)CCC(=O)N1CCc2cc(S(=O)(=O)N3CC=C(c4ccccc4)CC3)ccc21
Answer: a. O=C(O)CN1CCN(Cc2cccc(Cl)c2)C1=O
{#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#}
O=C(O)CN1CCN(Cc2cccc(Cl)c2)C1=O
O=C(O)CN1CCN(Cc2cccc(Cl)c2)C1=O
3-[(3-chlorophenyl)methyl]-1-(2-hydroxy-2-oxoethyl)imidazolidin-2-one