Task: Please answer the multiple choice question.
Question: Which molecules are not 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 other words.
Options:
a: CCN(CCO)C(=O)c1cc2ccccn2c1-c1cccc(OC)c1
b: N#Cc1ccc(Cn2cncc2CN[C@H]2CCN(c3cccc4ncccc34)C2=O)cc1
c: CN(C)C(=O)CN1CCC[C@@H](c2nc3ccccc3n2Cc2ccc(F)cc2)C1
d: C[C@@H]1CC[C@@H](C)N1CCCNc1nnc(-c2ccc(NC(=O)c3ccccc3F)cc2)o1
Answer: a
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-ethyl-N-(2-hydroxyethyl)-3-(3-methoxyphenyl)indolizine-2-carboxamide