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) COCCS(=O)(=O)c1ccc(-c2ccc(CCN3CCC[C@H]3C)cc2)cc1
b) CS(=O)(=O)Nc1ccc(OC[C@@H](O)CNCCc2ccc(Cl)cc2)cc1
Answer: a, 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}
(2R)-1-[2-[4-[4-(2-methoxyethylsulfonyl)phenyl]phenyl]ethyl]-2-methylpyrrolidine