Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cc1nc(-c2ccc(F)cc2)nc(OCCCN2CCCCC2)c1Cl
b: COc1ccc(S(=O)(=O)N2CCOc3ccccc32)cc1NC1CCN(C)CC1
Answer: a
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-2-(4-fluorophenyl)-4-methyl-6-(3-piperidin-1-ylpropoxy)pyrimidine