Using ClCc1ccccn1, Nc1nc(N)c2c(Cl)c(-c3cc(Cl)ccc3O)ccc2n1 to produce Nc1nc(N)c2c(Cl)c(-c3cc(Cl)ccc3OCc3ccccn3)ccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.