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 additional words.
Options:
a CCOC(=O)C1(Cc2cccc(F)c2)CCN(Cc2c(C)nn(CC)c2C)CC1
b CC(C)(C)c1cc[n+](-c2[nH]c(=O)sc2/C=N/NC([S-])=Nc2ccccc2)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}