Using C1=COCCC1, Cc1cc(Nc2nc(Nc3cc(C)c(Br)cc3C)ncc2Cl)n[nH]1 to produce Cc1cc(Nc2ncc(Cl)c(Nc3cc(C)n(C4CCCCO4)n3)n2)c(C)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.