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) Cc1nc(-c2ccc(C(F)(F)F)cc2)nc(OCCCN2CCCCC2)c1Cl
b) CCOC(=O)CNC(=O)c1cc(C(=O)N[C@H](CC)c2ccccc2)c2n1CCOC2
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}
ethyl 2-[[8-[[(1R)-1-phenylpropyl]carbamoyl]-3,4-dihydro-1H-pyrrolo[2,1-c][1,4]oxazine-6-carbonyl]amino]acetate