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) COc1cc(-c2cn(C3CCCCN(CC(F)(F)F)C3=O)nn2)ccc1-n1cnc(C)c1
(b) CCOC(=O)Nc1ccccc1[C@@H](c1ccc(C(=O)N(CC)CC)cc1)N1CCN(Cc2cscn2)CC1
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}
ethyl N-[2-[(R)-[4-(diethylcarbamoyl)phenyl]-[4-(1,3-thiazol-4-ylmethyl)piperazin-1-yl]methyl]phenyl]carbamate