Task: Answer the multiple-choice question.
Query: Which drug exhibits a 18.138\% 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 Cc1cc(C)cc(N(CC(=O)O)S(=O)(=O)c2c(C)noc2C)c1
b COc1ccc(NC(=O)CNC(=O)c2nn(-c3ccc(OC)c(OC)c3)c(=O)c3ccccc23)c(OC)c1
Answer: b. COc1ccc(NC(=O)CNC(=O)c2nn(-c3ccc(OC)c(OC)c3)c(=O)c3ccccc23)c(OC)c1
{#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(NC(=O)CNC(=O)c2nn(-c3ccc(OC)c(OC)c3)c(=O)c3ccccc23)c(OC)c1
COc1ccc(NC(=O)CNC(=O)c2nn(-c3ccc(OC)c(OC)c3)c(=O)c3ccccc23)c(OC)c1
N-[2-(2,4-dimethoxyanilino)-2-oxoethyl]-3-(3,4-dimethoxyphenyl)-4-oxophthalazine-1-carboxamide