Task: Please answer the multiple choice question.
Question: Which molecules are not 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 other words.
Options:
a) Cc1cccc(N2CCN(S(=O)(=O)c3c(C)[nH]c(=O)[nH]c3=O)CC2)c1C
b) COc1cccc2[nH]c3c(N4CCN(Cc5ccc6c(c5)OCO6)CC4)ncnc3c12
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}