Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.375\% 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 CCCCN(C)CCNC(=O)c1cc2c(-c3ccccc3F)nn(C)c2s1
b COc1ccc(CNC(=S)NCc2ccc(F)cc2)cc1
Answer: b. COc1ccc(CNC(=S)NCc2ccc(F)cc2)cc1
{#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#}
COc1ccc(CNC(=S)NCc2ccc(F)cc2)cc1
COc1ccc(CNC(=S)NCc2ccc(F)cc2)cc1
1-[(4-fluorophenyl)methyl]-3-[(4-methoxyphenyl)methyl]thiourea