Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CN(C)CCCN(C(=O)CCS(=O)(=O)c1ccccc1)c1nc2cc3c(cc2s1)OCO3.Cl
b.) CCOC(=O)C1CCN(CC(=O)Nc2ccc(S(=O)(=O)N3CCC(C)CC3)cc2)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}