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 other words.
Options:
a. CCS(=O)(=O)c1ccc(-c2cnc(N)c(-c3ccc(C(F)(F)F)nc3)n2)cc1
b. Clc1ccc(CNCCOc2ccc3ccccc3c2Cl)o1
Answer: a, 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-(4-ethylsulfonylphenyl)-3-[6-(trifluoromethyl)pyridin-3-yl]pyrazin-2-amine