Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Cc1ccc(-c2csc(NC(=S)NC(=O)c3ccco3)n2)cc1
b: Cc1ccc(S(=O)(=O)N2CCOCC2)cc1C(=O)NCc1ccccc1CN1CCCC1
c: CC(=O)Nc1ccc(/C=C/c2nc3ccccc3o2)cc1
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}