Using COCC(=O)O, NCC(CCOC1CCCCO1)c1ccc(Cl)c(Cl)c1 to produce COCC(=O)NCC(CCOC1CCCCO1)c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.