Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COCC(=O)O[C@@]1(CC[NH+](C)CCCc2nc3ccccc3[nH]2)CCc2cc(F)ccc2[C@@H]1C(C)C
b C[NH+]1CCCC[C@@H]1CCN1c2ccccc2Sc2ccc(S(C)=O)cc21
c Fc1ccc(Cn2c(NC3CC[NH2+]CC3)nc3ccccc32)cc1
d Cc1cn2ccn(CC3(c4ccc(C(F)(F)F)cc4)CC3)c(=O)c2n1
Answer: a, b, c, 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}
2-methyl-7-[[1-[4-(trifluoromethyl)phenyl]cyclopropyl]methyl]imidazo[1,2-a]pyrazin-8-one