Using Cc1c[nH]c(C)n1, O=C1c2ccccc2C(=O)N1CCCBr to produce Cc1cn(CCCN2C(=O)c3ccccc3C2=O)c(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.