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: CCn1c(SC)nnc1-c1nn(-c2ccccc2)ccc1=O
b: CN1/C(=C\C=Nc2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCOCC2)C(C)(C)c2ccccc21
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}