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) COc1nccnc1CC1=C(CCN(C)C)Cc2cc(Cl)ccc21
b) Cc1noc(C)c1S(=O)(=O)NCCN1CC2CN(CCCOc3ccc(C#N)cc3)CC(C1)O2
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}
2-[6-chloro-3-[(3-methoxypyrazin-2-yl)methyl]-1H-inden-2-yl]-N,N-dimethylethanamine