Using CC(C)c1nc(COCc2ccccc2)[nH]c1Sc1cccc(Cl)c1, O=C([O-])[O-] to produce CC(C)c1c(Sc2cccc(Cl)c2)nc(COCc2ccccc2)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.