Task: Answer the multiple-choice question.
Query: Which drug exhibits a 2.377\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCCCOC(=O)Nc1sc2c(c1C(=O)OC)CCC2
b Cc1ccccc1Cn1c(NC2CCCC2)nc2c1c(=O)[nH]c(=O)n2C
c COCCNC(=O)COC(=O)/C=C/c1cnc2ccccc2n1
Answer: a. CCCCOC(=O)Nc1sc2c(c1C(=O)OC)CCC2
{#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#}
CCCCOC(=O)Nc1sc2c(c1C(=O)OC)CCC2
CCCCOC(=O)Nc1sc2c(c1C(=O)OC)CCC2
methyl2-(butoxycarbonylamino)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate