Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.338\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CNC(=O)COC(=O)c1cccc(S(=O)(=O)N2CCN(c3ccc(F)cc3)CC2)c1
b. O=C(OC(C(=O)NC1CCCC1)c1ccc(F)cc1)c1ccno1
Answer: b. O=C(OC(C(=O)NC1CCCC1)c1ccc(F)cc1)c1ccno1
{#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(OC(C(=O)NC1CCCC1)c1ccc(F)cc1)c1ccno1
O=C(OC(C(=O)NC1CCCC1)c1ccc(F)cc1)c1ccno1
[2-(cyclopentylamino)-1-(4-fluorophenyl)-2-oxoethyl] 1,2-oxazole-5-carboxylate