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 additional words.
Options:
a CC(=O)N1CCN(CCOc2ccc(C3(O)CCN(c4ccc5nnc(C(F)(F)F)n5n4)CC3)cc2)CC1
b O=S(=O)(c1ccc(F)cc1)C1(F)CCN(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-fluoro-4-(4-fluorophenyl)sulfonylpiperidine