Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) O=C1COc2cc(Cl)c(CNC34CCC(CC5(O)Cn6c(=O)ccc7ncc(F)c5c76)(CC3)OC4)nc2N1
b.) CCOC[C@@H](CC(C)C)NC(=O)[C@@H]1CNC[C@H](C(=O)N(c2cc(OCCCOC)c(C(C)C)cc2F)C2CC2)C1
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}
(3S,5R)-5-N-cyclopropyl-3-N-[(2R)-1-ethoxy-4-methylpentan-2-yl]-5-N-[2-fluoro-5-(3-methoxypropoxy)-4-propan-2-ylphenyl]piperidine-3,5-dicarboxamide