Task: Answer the multiple-choice question.
Query: Which drug has a -12.556\% 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) COc1cc2c(cc1OC)CN(C(=O)c1ccncc1)CC2
(b) O=S(=O)(c1ccccc1)c1cnn2c(C(F)(F)F)cc(-c3ccccc3)nc12
Answer: b. O=S(=O)(c1ccccc1)c1cnn2c(C(F)(F)F)cc(-c3ccccc3)nc12
{#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#}
3-(benzenesulfonyl)-5-phenyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine