Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 4.210\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) COc1nccnc1NS(=O)(=O)c1ccc(NC(=S)NC(=O)c2ccc(F)cc2)cc1
b) Cc1ccc(C)c(NC(=O)C(=O)NCCCN2CCOCC2)c1
c) CCOc1nc(-c2ccccc2Cl)nc2ccccc12
d) Cc1nn(-c2ccc(C(=O)OC(C)C)cc2)c(C)c1[N+](=O)[O-]
Answer: c. CCOc1nc(-c2ccccc2Cl)nc2ccccc12
{#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#}
CCOc1nc(-c2ccccc2Cl)nc2ccccc12
CCOc1nc(-c2ccccc2Cl)nc2ccccc12
2-(2-chlorophenyl)-4-ethoxyquinazoline