Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccc(-c2c(-c3ccc(O)cc3O)n[nH]c2C)cc1
(b) Cc1nc(-c2ccccc2)nc(OCCCN2CCCCC2)c1Cl
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
5-chloro-4-methyl-2-phenyl-6-(3-piperidin-1-ylpropoxy)pyrimidine