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 additional words.
Options:
a Cc1nn(C2CCN(C(=O)[C@@H](C)O)CC2)c(C)c1Nc1ncc(Cl)c(-c2cnn3ccccc23)n1
b COc1cnc(-c2cccc3c2C[C@H](NC(=O)c2ccc(COCC(F)(F)F)nc2)CO3)cn1
c O=C1COc2cc(Cl)c(CNC34CCC(C[C@]5(O)Cn6c(=O)ccc7ncc(F)c5c76)(CC3)OC4)nc2N1
d Cc1ccc(C#CCOCc2cccc(COC#Cc3ccc(C)cc3)[n+]2C)cc1
Answer: d
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}
1-methyl-2-[3-(4-methylphenyl)prop-2-ynoxymethyl]-6-[2-(4-methylphenyl)ethynoxymethyl]pyridin-1-ium