Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CC1(C)[C@H](Nc2c(C(N)=O)cnn3cc(-c4ccc(F)nc4)cc23)CC[C@]1(C)N
b) CN(C)CCN1CCN(c2nc(-c3ccc(Cl)cc3Cl)c3c(n2)N(c2c(Cl)cccc2Cl)C(=O)NC3)CC1
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}
4-(2,4-dichlorophenyl)-8-(2,6-dichlorophenyl)-2-[4-[2-(dimethylamino)ethyl]piperazin-1-yl]-5,6-dihydropyrimido[4,5-d]pyrimidin-7-one