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.) CN(C)S(=O)(=O)c1ccc(=S)[nH]c1
b.) O=C(CCCN1CCC(NC(=O)c2ccccc2)CC1)c1ccc(Cl)cc1
c.) COc1ccc(-c2ccc(SCC(=O)N3CCOCC3)nn2)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}