Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) C[C@@H]1CN(CC2(C(N)=O)CC2)CCN1S(=O)(=O)c1ccc([C@@](C)(O)C(F)(F)F)cc1
b) N[C@@H](CC(=O)N1CCC2CCCC21)Cc1cc(F)c(F)cc1F
c) CC1CCCN1CCCOc1ccc(N2CCN(C(=O)c3ccc(F)cc3F)CC2=O)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}
4-(2,4-difluorobenzoyl)-1-[4-[3-(2-methylpyrrolidin-1-yl)propoxy]phenyl]piperazin-2-one