Using C1CC2CNCCN2C1, N#CC(CCBr)(c1ccccc1)c1ccccc1 to produce N#CC(CCN1CCN2CCCC2C1)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.