Using Sc1ccccc1, O=C(Cl)Cn1c(=O)sc2ccc(Cl)cc21 to produce O=C(Cn1c(=O)sc2ccc(Cl)cc21)Sc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.