Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] C[C@@]1(c2cc(CNC3(C#N)CC3)c(F)cc2F)CCSC(N)=N1
[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