Using COC(=O)c1cc(OCc2ccccc2)c(OCc2ccccc2)c(CCl)n1, O=C(O)CS to produce COC(=O)c1cc(OCc2ccccc2)c(OCc2ccccc2)c(CSCC(=O)O)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.