Using CCOC(=O)C(c1c2c(nn1-c1ccc(Cl)cc1)CCC2)C1CCCCC1 to produce OCC(c1c2c(nn1-c1ccc(Cl)cc1)CCC2)C1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.