Using CCS(=O)(=O)Nc1c(Cl)c(Cl)cc2nc(OC)c(OC)nc12, CC(C)(C)[O-] to produce CCS(=O)(=O)N(C)c1c(Cl)c(Cl)cc2nc(OC)c(OC)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.