Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 19.682\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccc(CCNC(=O)c2ccc3c(c2)N(Cc2ccccc2)CCS3)cc1OC
b: O=C(Nc1cc(Cl)ccc1N1CCOCC1)c1ccc(N2CCCC2=O)cc1
Answer: a. COc1ccc(CCNC(=O)c2ccc3c(c2)N(Cc2ccccc2)CCS3)cc1OC
{#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#}
COc1ccc(CCNC(=O)c2ccc3c(c2)N(Cc2ccccc2)CCS3)cc1OC
COc1ccc(CCNC(=O)c2ccc3c(c2)N(Cc2ccccc2)CCS3)cc1OC
4-benzyl-N-[2-(3,4-dimethoxyphenyl)ethyl]-2,3-dihydro-1,4-benzothiazine-6-carboxamide