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.) CCCc1ccc(S(=O)(=O)N2CCN(C(C)C(=O)NCc3ccc(OC)cc3)CC2)cc1
b.) COc1cc2nc(SCc3ccc(C(F)(F)F)cc3)n(Cc3cccs3)c(=N)c2cc1OC
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}