Using N#Cc1cnc2cc(OC3CCOC3)c(N)cc2c1Nc1ccc(OCc2ccccn2)c(Cl)c1, BrCCCCCBr to produce N#Cc1cnc2cc(OC3CCOC3)c(N3CCCCC3)cc2c1Nc1ccc(OCc2ccccn2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.