Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CS(=O)(=O)N1CCC2(CCN(c3ccc(C(=O)Nc4cc(-c5cccs5)ccc4N)cn3)CC2)C1
(b) CCNCCc1cccc(C(F)(F)F)c1
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}
N-ethyl-2-[3-(trifluoromethyl)phenyl]ethanamine