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.) C[C@H](c1nc(-c2ccc(S(C)(=O)=O)cc2Cl)no1)[C@H](N)C(=O)N1CCCC1.O=C(O)C(F)(F)F
b.) CCn1cc(C2(c3cccc(-c4cncc(F)c4)c3)N=C(N)c3c(F)cccc32)cc(C)c1=O
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}
5-[3-amino-4-fluoro-1-[3-(5-fluoropyridin-3-yl)phenyl]isoindol-1-yl]-1-ethyl-3-methylpyridin-2-one