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: Cc1cc(C)c(O)c(-c2cc(C(=O)NCc3ccc4c(c3)OCO4)[nH]n2)c1
b: Cc1ccc(C)c(-c2nnc(NC(=O)CCS(=O)(=O)c3ccc(F)cc3)o2)c1
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}