Using COc1cc2nccc(Oc3ccc(CC(=O)Nc4nc(C)cs4)cc3)c2cc1OC, COS(=O)(=O)OC to produce COc1cc2nccc(Oc3ccc(CC(=O)N(C)c4nc(C)cs4)cc3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.