Using COc1cc2ncn(Cc3ccc4nc(SC)oc4c3)c2cc1OC, O=C(OO)c1cccc(Cl)c1 to produce COc1cc2ncn(Cc3ccc4nc(S(C)=O)oc4c3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.