Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. C[n+]1c(CCc2ccccc2)cccc1CCc1ccccc1
b. O=C1COc2ccc(CNC34CCC(CCc5c(F)cnc6ccc(OCCCCO)nc56)(CC3)OC4)nc2N1
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(2-phenylethyl)pyridin-1-ium