Using C=CC(=O)Cl, Brc1cccc(Nc2ncnc3cnc(NCCCN4CCOCC4)cc23)c1 to produce C=CC(=O)N(CCCN1CCOCC1)c1cc2c(Nc3cccc(Br)c3)ncnc2cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.