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: CNC(=O)c1ccc2cc(C3(O)CCn4cncc43)ccc2c1
b: CN1CCN(c2ncnc3c2nc(-c2ccc(Cl)cc2Cl)n3-c2ccc(Cl)cc2)CC1
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}
9-(4-chlorophenyl)-8-(2,4-dichlorophenyl)-6-(4-methylpiperazin-1-yl)purine