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 other words.
Options:
(a) Cc1c(F)cc(C(=O)NC2CC2)cc1-c1cc2nnc(-c3c(F)cccc3Cl)n2n(C)c1=O
(b) Cc1cc(F)ccc1/C=C/c1ccc(S(=O)(=O)c2ccccc2F)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}
2-[(E)-2-(4-fluoro-2-methylphenyl)ethenyl]-5-(2-fluorophenyl)sulfonylpyridine