Using BrCC1CO1, Cc1cccc(Nc2cc(Nc3ccc(O)cc3)ncn2)c1 to produce Cc1cccc(Nc2cc(Nc3ccc(OCC4CO4)cc3)ncn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.