Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(C=Cc1ccc2c(c1)CN(C(=O)C1CCCCC1)C2)NO
b. Cc1ccc(CCOCC#Cc2cccc(C#CCOCCc3ccc(C)cc3)[n+]2C)cc1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
1-methyl-2,6-bis[3-[2-(4-methylphenyl)ethoxy]prop-1-ynyl]pyridin-1-ium