Task: Answer the multiple-choice question.
Query: Which drug exhibits a 18.955\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCn1c(=S)[nH]c2nc3c(cc2c1=O)CCCC3
b COc1ccc(C)cc1NC(=O)Nn1cnnc1
c CC(=O)NC1C(OCc2ccccc2)OC2COC(c3ccccc3)OC2C1OCC(=O)O
d Cn1c(=O)[nH]c(=O)c2c1nc(Br)n2CC(O)COc1ccc(Cl)cc1
Answer: c. CC(=O)NC1C(OCc2ccccc2)OC2COC(c3ccccc3)OC2C1OCC(=O)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#}
CC(=O)NC1C(OCc2ccccc2)OC2COC(c3ccccc3)OC2C1OCC(=O)O
CC(=O)NC1C(OCc2ccccc2)OC2COC(c3ccccc3)OC2C1OCC(=O)O
2-[(7-acetamido-2-phenyl-6-phenylmethoxy-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl)oxy]acetic acid