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, b, or c without using any other words.
Options:
a.) O=C(CSc1nc(=O)n(CCCN2CCOCC2)c2c1CCC2)Nc1ccc([N+](=O)[O-])cc1
b.) Cc1ccc(CNC(=O)c2cc(S(=O)(=O)N3CCCC3)cn2C)cc1
c.) COc1ccccc1-n1cnnc1SC(C)C(=O)Nc1ccc(NC(C)=O)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}