Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. C[C@@H]1CCCN1CCc1ccc2nc(-c3ccc(C#N)cc3)ccc2c1
b. CNc1nc(NCCCN(C)C)c2sc(-c3ccc(N4CCOCC4)cc3)cc2n1
Answer: a, 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}
4-N-[3-(dimethylamino)propyl]-2-N-methyl-6-(4-morpholin-4-ylphenyl)thieno[3,2-d]pyrimidine-2,4-diamine