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 additional words.
Options:
a: Cc1nnc2n1-c1ccc(Cl)cc1C(c1ccccc1Cl)=NC2
b: C[NH+](C)CCC[C@]1(c2ccc(F)cc2)OCc2cc(C#N)ccc21
c: O=C1NCCN1CCN1CC=C(c2cn(-c3ccc(F)cc3)c3ccc(Cl)cc23)CC1
d: Nc1[nH]c(SCC(=O)O)nc(=O)c1N
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}
1-[2-[4-[5-chloro-1-(4-fluorophenyl)indol-3-yl]-3,6-dihydro-2H-pyridin-1-yl]ethyl]imidazolidin-2-one