Using CC(C)(COS(C)(=O)=O)Nc1cc(Cl)nc(Cl)n1, O=C([O-])[O-] to produce CC1(C)Cn2c(cc(Cl)nc2=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.