Problem statement: Answer the multiple-choice question.
Query: Which drug has a -4.740\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COCCn1c(=NC(=O)CN2C(=O)CCC2=O)sc2cc(S(N)(=O)=O)ccc21
b: CN1CCN(c2cc(N3CCNCC3)ccc2[N+](=O)[O-])CC1
Answer: a. COCCn1c(=NC(=O)CN2C(=O)CCC2=O)sc2cc(S(N)(=O)=O)ccc21
{#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#}
COCCn1c(=NC(=O)CN2C(=O)CCC2=O)sc2cc(S(N)(=O)=O)ccc21
COCCn1c(=NC(=O)CN2C(=O)CCC2=O)sc2cc(S(N)(=O)=O)ccc21
2-(2,5-dioxopyrrolidin-1-yl)-N-[3-(2-methoxyethyl)-6-sulfamoyl-1,3-benzothiazol-2-ylidene]acetamide