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, b, c, or d without using any other words.
Options:
[a] CCCCCCCN(CC)CCCCc1ccc(NC=O)cc1
[b] CC(C)(NC(=O)c1ccc(O)cc1)C(=O)O
[c] O=C(O)c1cc(N2CCN(CCc3ccc(OCCCN4CCCCCC4)cc3)CC2)c2ncccc2c1
[d] CC(C)NC[C@@H](O)c1ccc(NS(C)(=O)=O)cc1
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}
N-[4-[4-[ethyl(heptyl)amino]butyl]phenyl]methanamide