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. CC1(C)C(c2cccs2)=[N+]([O-])C2(CCCCC/C2=N\NC(N)=S)N1O
b. Cc1ccc(Cn2c(C3CCCN3c3nc(C)cs3)nc3cc(C(=O)NCCCO)ccc32)cc1
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}