Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCCC1=N[N+](C)=C2C(=O)N=C(c3cc(S(=O)(=O)N4CC[NH+](C)CC4)ccc3OCC)N=C12
[b] NC(=O)C[C@@H](N)C(N)=O
[c] O=C1NCCN1CC[NH+]1CCC(c2cn(-c3ccc(CCO)cc3)c3ccc(Cl)cc23)CC1
[d] COc1cc2nc(N3CCN(C(=O)[C@@H]4CCCO4)CC3)nc(N)c2cc1OC
Answer: a, 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}
(2R)-2-aminobutanediamide