Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1ccc(OCC(=O)NNC(=S)NC(=O)c2cccs2)c(C)c1
(b) CCCCCN(C(=O)CCC(=O)OCC(=O)c1ccc(CCC)cc1)c1c(N)n(CCCC)c(=O)[nH]c1=O
Answer: 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}