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] COCC1CCCN1N1CCN(c2cccc(Cl)c2)C1=O
[b] CN(C)CCCn1nc(C2=C(c3cn(-c4cnc5ccccc5c4)c4ccccc34)C(=O)NC2=O)c2ccccc21
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}
1-(3-chlorophenyl)-3-[2-(methoxymethyl)pyrrolidin-1-yl]imidazolidin-2-one