Using COC(=O)CC(=O)C(C)C, ON=C(Cl)c1c(Cl)ccnc1Cl to produce COC(=O)c1c(-c2c(Cl)ccnc2Cl)noc1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.