Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1ccccc1C(=O)N1CCN(c2ccc(NC(=S)NC(=O)c3cccs3)cc2)CC1
b. Nc1c(C(=O)NCCc2ccc(Cl)cc2)sc2ccc(S(=O)(=O)N3CCCCC3)cc12
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}