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) Cc1ccc(-c2ncc(OC[C@@H]3CCNC3)cc2-c2ccc(C#N)cc2)cc1
(b) CN(C)C(=O)[C@H](c1ccc(-c2cccc(-c3nnn[nH]3)c2)cc1)[C@H](N)C(=O)N1CC[C@@H](F)C1
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-[2-(4-methylphenyl)-5-[[(3R)-pyrrolidin-3-yl]methoxy]pyridin-3-yl]benzonitrile