Using CC(C)c1nc(CO)n(Cc2cnc3ccccc3c2)c1Sc1cc(Cl)cc(Cl)c1, O=C=NC(=O)CCl to produce CC(C)c1nc(COC(N)=O)n(Cc2cnc3ccccc3c2)c1Sc1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.