Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CN([C@@H]1c2cc(OCCCC(F)(F)F)ccc2OC(C)(C)[C@H]1O)S(C)(=O)=O
b NC(=O)NOC[C@H]1NC(=O)NC1=O
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}
[(4R)-2,5-dioxoimidazolidin-4-yl]methoxyurea