Using CCOC(=O)OCn1c(SCc2nccc3ccsc23)nc2ccccc21, O=C(OO)c1cccc(Cl)c1 to produce CCOC(=O)OCn1c(S(=O)Cc2nccc3ccsc23)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.