Using COC(=O)Cc1c(C)nn(-c2ccc(Cl)nn2)c1-c1ccccc1 to produce Cc1nn(-c2ccc(Cl)nn2)c(-c2ccccc2)c1CC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.