Using Clc1cccc(Sc2cccc(Cl)c2-c2ccccc2)c1-c1ccccc1, Sc1cccc(Sc2ccccc2)c1 to produce c1ccc(Sc2cccc(Sc3cccc(Sc4ccccc4)c3)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.