Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -2.671\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1ccc(OC)c2[nH]c(=O)c(CCNC(=O)c3cccs3)cc12
b. CCn1c(CSc2nnc(-c3ccncc3)n2CCOC)nc2cc(C(=O)O)ccc21
Answer: a. COc1ccc(OC)c2[nH]c(=O)c(CCNC(=O)c3cccs3)cc12
{#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(OC)c2[nH]c(=O)c(CCNC(=O)c3cccs3)cc12
COc1ccc(OC)c2[nH]c(=O)c(CCNC(=O)c3cccs3)cc12
N-[2-(5,8-dimethoxy-2-oxo-1H-quinolin-3-yl)ethyl]thiophene-2-carboxamide