Using CCOC(=O)C1CCc2nc3cc(Cl)ccc3c(NNc3ccccc3)c2C1 to produce O=C(O)C1CCc2nc3cc(Cl)ccc3c(NNc3ccccc3)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.