Using CCOC(=O)c1nn(-c2ccccc2)c(=O)c2c1c1ccc(Cl)cc1n2C to produce Cn1c2cc(Cl)ccc2c2c(CO)nn(-c3ccccc3)c(=O)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.