Using N#CC(CCBr)(c1ccccc1)c1ccccc1, CNCCCc1ccccc1 to produce CN(CCCc1ccccc1)CCC(C#N)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.