Using CCOCc1nc2c(N)nc3cc(O)ccc3c2n1CC(C)C, Cc1cccc(CBr)c1 to produce CCOCc1nc2c(N)nc3cc(OCc4cccc(C)c4)ccc3c2n1CC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.