Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] N=C(N)c1ccc(OCCCCCOc2ccc(C(=N)N)cc2)cc1
[b] O=C(NC1CCN(Cc2cccc(F)c2)CC1)c1cc(=O)c2ccc(F)cc2o1
[c] COCC(=O)O[C@@]1(CC[NH+](C)CCCc2nc3ccccc3[nH]2)CCc2cc(F)ccc2[C@@H]1C(C)C
[d] CCCCCCCCCCC[C@@H](C[C@@H]1OC(=O)[C@H]1CCCCCC)OC(=O)[C@H](CC(C)C)NC=O
Answer: b, c
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}
7-fluoro-N-[1-[(3-fluorophenyl)methyl]piperidin-4-yl]-4-oxochromene-2-carboxamide