Using CCC(CC)c1ccc(Cl)c2nc(Nc3ccc(Br)cc3Cl)n(CCO)c12 to produce CCC(CC)c1ccc(Cl)c2nc3n(c12)CCN3c1ccc(Br)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.