Using CCOC(C=C=O)Oc1cc(-n2nc3n(c2=O)CCCC3)c(Cl)cc1Cl, O=C([O-])O to produce CC(Oc1cc(-n2nc3n(c2=O)CCCC3)c(Cl)cc1Cl)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.