Question: What is the molecular weight of this compound's parent molecule?
 The Molecule has the SMILES Cc1cc2c(s1)Nc1ccccc1N=C2N1CCN(C)CC1.
Result: 312.44
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
Cc1cc2c(s1)Nc1ccccc1N=C2N1CCN(C)CC1
Cc1cc2c(s1)Nc1ccccc1N=C2N1CCN(C)CC1
2-methyl-4-(4-methylpiperazin-1-yl)-10H-thieno[2,3-b][1,5]benzodiazepine
What is the molecular weight of this compound's parent molecule?