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, c, or d without using any other words.
Options:
a CCN(CC)CCN1CCCc2cc(NC(=N)c3cccs3)ccc21
b N#Cc1cc(F)c(Cl)cc1OC(CCN)c1ccccc1
c CCCS(=O)(=O)Nc1ccc(F)c(C(=O)c2c[nH]c3ncc(Cl)cc23)c1F
d Nc1ccccc1NC(=O)c1ccc(-c2ncc(CNN3CCC3)cc2F)cc1
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-[1-[2-(diethylamino)ethyl]-3,4-dihydro-2H-quinolin-6-yl]thiophene-2-carboximidamide