Using CC(C)c1c(Sc2cccc(Cl)c2)nc(CO)n1C, O=C=NC(=O)C(Cl)(Cl)Cl to produce CC(C)c1c(Sc2cccc(Cl)c2)nc(COC(N)=O)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.