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, b, or c without using any additional words.
Options:
a: C[C@@]1(c2cc(-c3cncnc3)c(F)cc2F)CCSC(N)=N1
b: CCN(CC)Cc1ccc2c(c1)CC[C@H](N1CCN(CCc3ccc(Cl)cc3)CC1=O)C2
c: NC1(C(=O)NC(CS(N)(=O)=O)c2ccc(Cl)cc2)CCCN(c2ncnc3[nH]ccc23)C1
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}
4-[2-(4-chlorophenyl)ethyl]-1-[(2S)-6-(diethylaminomethyl)-1,2,3,4-tetrahydronaphthalen-2-yl]piperazin-2-one