Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC(C)c1nnc2ccc(-c3ocnc3-c3cccc(Cl)c3)cn12
(b) Cc1ccc(Nc2c(-c3ccc(F)cc3)nc3n2CCN(C(=O)CN)C3)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}
2-amino-1-[2-(4-fluorophenyl)-3-(4-methylanilino)-6,8-dihydro-5H-imidazo[1,2-a]pyrazin-7-yl]ethanone