Using COC(=O)/C=C/c1c(Cl)cc2nn(C)cc2c1C(=O)OC to produce COC(=O)CCc1c(Cl)cc2nn(C)cc2c1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.