Using O=C(Cl)N1CCOCC1, COC(=O)c1c(CN)c(=O)c2ccc(Cl)cc2n1-c1ccccc1 to produce COC(=O)c1c(CNC(=O)N2CCOCC2)c(=O)c2ccc(Cl)cc2n1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.