Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Cc1c([C@@H]2CN3CCN(C(=O)Cc4ccc(-n5cnnn5)nc4)C[C@@H]3CO2)ccc(F)c1C#N
b CCN=C(NS(=O)(=O)c1cccc(Cl)c1)N1CC(CC)C=N1
c C[C@H]1C[C@H]2CSC(N)=N[C@@]2(c2cc(NC(=O)c3ccc(Cl)cn3)ccc2F)CO1
d CCN(C(=O)Cc1ccc(S(C)(=O)=O)cc1)C1CCN(CC[C@@H](c2cc(F)cc(F)c2)C2CCN(S(C)(=O)=O)CC2)CC1
Answer: 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}
N-[3-[(4aR,6S,8aS)-2-amino-6-methyl-4a,5,6,8-tetrahydro-4H-pyrano[3,4-d][1,3]thiazin-8a-yl]-4-fluorophenyl]-5-chloropyridine-2-carboxamide