Using CN1C(CCC(C)(C)Cl)C(=O)N(CCl)S1(=O)=O, O=C(O)c1c(Cl)cccc1Cl to produce CN1C(CCC(C)(C)Cl)C(=O)N(COC(=O)c2c(Cl)cccc2Cl)S1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.