Task: Please answer the multiple choice question.
Question: Which molecules are 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) Cn1c(=O)[nH]c(=O)c2c1nc(SCCN1CCOCC1)n2Cc1ccccc1
(b) Cc1ccc2nc3c(cc(C(=O)NCc4ccco4)c(=N)n3Cc3ccco3)c(=O)n2c1
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}