Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cn1c(CN2CCCCC2)nc2cc(NS(=O)(=O)c3ccc(Cl)cc3)ccc21
(b) Cc1ccc(S(=O)(=O)NCCc2nnc3ccc(NCCCOC(C)C)nn23)cc1
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}