Using COc1ccc2c(Sc3ccccc3)ccnc2c1, O=C(OO)c1cccc(Cl)c1 to produce COc1ccc2c(S(=O)c3ccccc3)ccnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.