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: O=S(=O)(c1ccc(/C=C/c2ccncc2)nc1)c1ccccc1F
b: CC(C)[NH2+]C[C@@H](O)COc1ccc(CC(N)=O)cc1
Answer: a
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-(2-fluorophenyl)sulfonyl-2-[(E)-2-pyridin-4-ylethenyl]pyridine