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) O=S(=O)(c1ccc(Cl)cc1)C1(F)CCN(CCc2ccc(F)cc2F)CC1
b) CC(C)COc1ccc(Cl)cc1-c1ccccc1-c1cccc(C(=O)[O-])n1
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}
4-(4-chlorophenyl)sulfonyl-1-[2-(2,4-difluorophenyl)ethyl]-4-fluoropiperidine