Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCN=C(c1ccc(OC)c(OC)c1)N1CCCc2cc(C3=NNC(=O)SC3C)ccc21
b: CNc1ccc(/C=C/c2c(F)cccc2Cl)cn1
Answer: 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}
5-[(E)-2-(2-chloro-6-fluorophenyl)ethenyl]-N-methylpyridin-2-amine