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 or b without using any other words.
Options:
(a) O=C(N1CCCCC1)N1CC(OC(c2ccc(Cl)cc2)c2cccnc2Cl)C1
(b) CS(=O)(=O)Nc1ccc(OC[C@@H](O)CN(CCc2ccc(Cl)c(Cl)c2)Cc2ccccc2F)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}
N-[4-[(2S)-3-[2-(3,4-dichlorophenyl)ethyl-[(2-fluorophenyl)methyl]amino]-2-hydroxypropoxy]phenyl]methanesulfonamide