Task: Please answer the multiple choice question.
Question: Which molecules are 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) CCOc1cc(C=C2C(=O)N(c3ccccc3)N=C2C)cc(Cl)c1OCC(=O)OC
b) CN1CCC[C@@H]1Cn1nc(Cc2ccc(Cl)cc2)c2cccnc2c1=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}
5-[(4-chlorophenyl)methyl]-7-[[(2R)-1-methylpyrrolidin-2-yl]methyl]pyrido[2,3-d]pyridazin-8-one