Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ncc2ccc(=O)n(CCN3CCC(NCc4cc5c(cn4)OCCO5)CC3)c2n1
b. COC(=O)N(NC(=O)c1c(CN2CCNCC2)c(-c2ccccc2)nc2c(F)cccc12)c1ccccc1
c. Cc1nc2c(c(-c3ccc(Cl)cc3Cl)c1CN)CN(CC(N)=O)C2=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}
methyl N-[[8-fluoro-2-phenyl-3-(piperazin-1-ylmethyl)quinoline-4-carbonyl]amino]-N-phenylcarbamate