Using Cc1c(Cl)nc(NN)c(=O)n1CC(=O)O, O=C(Cl)OCc1ccccc1 to produce Cc1c(Cl)nc(NNC(=O)OCc2ccccc2)c(=O)n1CC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.