Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CS(=O)(=O)Nc1ccc(CCC(=O)NCCNc2ccc(Cl)c(Cl)c2)cc1
b.) CCOC(=O)C1=C(CN)NC(c2nccs2)=NC1c1ccc(Cl)cc1Cl
Answer: b
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}
ethyl 6-(aminomethyl)-4-(2,4-dichlorophenyl)-2-(1,3-thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate