Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1nc2c3c(nc(Cc4ccccc4)n2n1)CCNCC3
b. CCOC(=O)c1cc(-c2ccc3cc(CCN4CCC[C@H]4C)ccc3n2)on1
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}
7-benzyl-4-methyl-3,5,6,8,12-pentazatricyclo[7.5.0.02,6]tetradeca-1(9),2,4,7-tetraene