Using CCOC(/C=C/c1cnc(N)c2c(Br)csc12)OCC, OB(O)c1ccc(Oc2ccccc2)cc1 to produce CCOC(/C=C/c1cnc(N)c2c(-c3ccc(Oc4ccccc4)cc3)csc12)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.