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) CN(C)C(=O)[C@@H](c1ccc(N(C)C(=O)c2ccc(F)cc2)cc1)[C@H](N)C(=O)N1CC[C@H](F)C1.O=C(O)C(F)(F)F
(b) COc1cccc(C2(C)CN(c3cc(N)ccn3)C2)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}
2-[3-(3-methoxyphenyl)-3-methylazetidin-1-yl]pyridin-4-amine