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. CCOc1cc2nnc(C(N)=O)c(Nc3ccc(C)cc3F)c2cc1N1CCN(C)CC1
b. O=S(=O)(c1ccc(F)cc1)N1CCN(CCc2ccc(F)cc2F)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}
1-[2-(2,4-difluorophenyl)ethyl]-4-(4-fluorophenyl)sulfonylpiperazine