Using NC(=O)c1cc(Cl)c(Cl)c(Cl)c1, Sc1cccc2ccccc12 to produce NC(=O)c1cc(Cl)c(Sc2cccc3ccccc23)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.