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 additional words.
Options:
a COc1ccc(NC(=O)CSc2nc3ccccc3c(=O)n2CCCN2CCCCC2)c(OC)c1
b O=C(c1sc2ccccc2c1Cl)N(Cc1ccccc1)C1CCS(=O)(=O)C1
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}