Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCN(Cc1ccncc1)C(=O)c1cc(COc2c(C)cccc2C)on1
[b] CCCN1CCc2c(sc(NC(=O)C3CCN(S(=O)(=O)c4cccs4)CC3)c2C(N)=O)C1.Cl
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}