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: O=C(Nc1cc(S(=O)(=O)Nc2ccc(Cl)cc2)ccc1O)c1ccc(S(=O)(=O)N2CCCCCC2)cc1
b: CCn1cc(CN2CCC(C(=O)Nc3ccc(Oc4ccccc4F)cc3)CC2)c(C)n1
Answer: a
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}