Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 0.192\% 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 COc1cc2c(cc1OC)CN(c1ccc([N+](=O)[O-])cc1Cl)CC2
b Cc1cc(NC(=O)COC(=O)c2ccccc2S(=O)(=O)N(C)c2ccccc2)no1
Answer: a. COc1cc2c(cc1OC)CN(c1ccc([N+](=O)[O-])cc1Cl)CC2
{#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#}
COc1cc2c(cc1OC)CN(c1ccc([N+](=O)[O-])cc1Cl)CC2
COc1cc2c(cc1OC)CN(c1ccc([N+](=O)[O-])cc1Cl)CC2
2-(2-chloro-4-nitrophenyl)-6,7-dimethoxy-3,4-dihydro-1H-isoquinoline