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) CCS(=O)(=O)NC1c2cc(C#N)ccc2C(=O)C(C)(C)C1O
(b) CC(=O)NCCc1ccccc1-c1onc([C@H]2CNCC[C@]2(O)c2ccc(F)c(F)c2)c1C(C)=O
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}
N-(7-cyano-3,3-dimethyl-2-oxidanyl-4-oxidanylidene-1,2-dihydronaphthalen-1-yl)ethanesulfonamide