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 additional words.
Options:
a. CCNC(=O)c1ccc(C2=CC3(CCNCC3)Oc3ccccc32)cc1
b. CCOC(=O)CNC(=O)c1cc(C(=O)N[C@H](CC)c2ccccc2)c2n1CCOC2
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}
N-ethyl-4-spiro[chromene-2,4'-piperidine]-4-ylbenzamide