Problem statement: Answer the MCQ question.
Question: Which compound has a 19.175\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC(C)CCNC(=O)c1cn(C)c2ccc(S(=O)(=O)N3CCCC3)cc2c1=O
b CC1(O)C(=O)C=C2C=C(C3CC3)OC=C2C1=O
Answer: b. CC1(O)C(=O)C=C2C=C(C3CC3)OC=C2C1=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#}
CC1(O)C(=O)C=C2C=C(C3CC3)OC=C2C1=O
CC1(O)C(=O)C=C2C=C(C3CC3)OC=C2C1=O
3-cyclopropyl-7-hydroxy-7-methylisochromene-6,8-dione