Using O=C1Nc2ccc(Cl)cc2C1=O, COc1ccc(S(=O)(=O)Cl)c(OC)c1 to produce COc1ccc(S(=O)(=O)N2C(=O)C(=O)c3cc(Cl)ccc32)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.