Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 0.687\% 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 other words.
Options:
a. COc1cccc(NC(=O)C2c3cc(OC)c(OC)cc3C(=O)N(C)C2c2cccnc2)c1
b. Cc1sc2nc(CSc3nc4ccccc4c(=O)n3CCCN3CCOCC3)[nH]c(=O)c2c1C
Answer: b. Cc1sc2nc(CSc3nc4ccccc4c(=O)n3CCCN3CCOCC3)[nH]c(=O)c2c1C
{#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#}
Cc1sc2nc(CSc3nc4ccccc4c(=O)n3CCCN3CCOCC3)[nH]c(=O)c2c1C
Cc1sc2nc(CSc3nc4ccccc4c(=O)n3CCCN3CCOCC3)[nH]c(=O)c2c1C
5,6-dimethyl-2-[[3-(3-morpholin-4-ylpropyl)-4-oxoquinazolin-2-yl]sulfanylmethyl]-3H-thieno[2,3-d]pyrimidin-4-one