Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COCCN1CCC[C@H]1Cn1nc(Cc2ccc(Cl)cc2)c2ccccc2c1=O
b) Cc1ncc(CNC2CCN(CCn3c(=O)ccc4ncc(Oc5ccc(S(N)(=O)=O)cc5)cc43)CC2)cc1C#N
Answer: a
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-[(4-chlorophenyl)methyl]-2-[[(2S)-1-(2-methoxyethyl)pyrrolidin-2-yl]methyl]phthalazin-1-one