Using CCOC(=O)c1c(C2CCCC2)nc2ccc(Cl)cc2c1-c1ccccc1 to produce O=C(O)c1c(C2CCCC2)nc2ccc(Cl)cc2c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.