Problem statement: Answer the MCQ question.
Query: Which drug has a -5.645\% 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] O=C(c1ccco1)c1nc2c(n1O)CCCCC2
[b] CCN(C(=O)C(C)Sc1ccc(S(=O)(=O)N2CCOCC2)cn1)c1ccccc1
Answer: a. O=C(c1ccco1)c1nc2c(n1O)CCCCC2
{#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(c1ccco1)c1nc2c(n1O)CCCCC2
O=C(c1ccco1)c1nc2c(n1O)CCCCC2
furan-2-yl-(3-hydroxy-5,6,7,8-tetrahydro-4H-cyclohepta[d]imidazol-2-yl)methanone