Using COC1OCC(COc2ccnc(CSc3nc4ccccc4[nH]3)c2C)CO1, O=C(OO)c1cccc(Cl)c1 to produce COC1OCC(COc2ccnc(CS(=O)c3nc4ccccc4[nH]3)c2C)CO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.