Using CSc1cncc(N2CCc3cc(Cl)ccc3C2=O)c1, O=C(OO)c1cccc(Cl)c1 to produce CS(=O)c1cncc(N2CCc3cc(Cl)ccc3C2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.