Task: Answer the MCQ question.
Query: Which drug exhibits a 2.495\% human ether-à-go-go related gene (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. COc1ccccc1OP(C)(=O)Nc1ccc(C)cc1
b. Cc1cccc(N2CCN(c3ccc(NC(=O)/C=C\C(=O)O)cc3)CC2)c1
Answer: a. COc1ccccc1OP(C)(=O)Nc1ccc(C)cc1
{#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#}
COc1ccccc1OP(C)(=O)Nc1ccc(C)cc1
COc1ccccc1OP(C)(=O)Nc1ccc(C)cc1
N-[(2-methoxyphenoxy)-methylphosphoryl]-4-methylaniline