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(S(=O)(=O)N(C)C)cc1NC(=O)COC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1
b CCN(Cc1cc2ccccc2[nH]c1=O)C(=O)c1cccnc1
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}