Using OB(O)c1cccnc1, O=[N+]([O-])c1cc(I)c2c(c1)CCO2 to produce O=[N+]([O-])c1cc2c(c(-c3cccnc3)c1)OCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.