Task: Answer the multiple choice question.
Query: Which compound exhibits a -1.694\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CCOC(=O)NN1C(=O)c2ccccc2NC1c1ccc(OC)cc1
b: Cc1ccc2oc(=O)cc(/C=C/c3ccccc3)c2c1
c: CCOC(=O)Cn1c(=O)sc2ccccc21
d: CCOC(=O)COc1cc(OCC(=O)OCC)c2c3c(c(=O)oc2c1)CCCC3
e: Cl.O=C(CNCCO)NC12CC3CC(CC(C3)C1)C2
Answer: b. Cc1ccc2oc(=O)cc(/C=C/c3ccccc3)c2c1
{#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#}
Cc1ccc2oc(=O)cc(/C=C/c3ccccc3)c2c1
Cc1ccc2oc(=O)cc(/C=C/c3ccccc3)c2c1
6-methyl-4-[(E)-2-phenylethenyl]chromen-2-one