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 other words.
Options:
(a) Cc1nc2cccnc2c(=O)n1-c1ccc(OC2CCN(C3CCC3)CC2)cc1
(b) CC(=O)c1cccc(-c2cccc(-n3cc(C(=O)Nc4c(Cl)cncc4Cl)c(=O)c4cccnc43)c2)c1
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}
3-[4-(1-cyclobutylpiperidin-4-yl)oxyphenyl]-2-methylpyrido[3,2-d]pyrimidin-4-one