Using CCOC(CNC(=O)N(N=Cc1ccccc1)c1cc(Cl)c(Cc2ccc(Cl)cc2)c(Cl)c1)OCC to produce O=C1NCC=NN1c1cc(Cl)c(Cc2ccc(Cl)cc2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.