Using CCOc1ccc(-n2c(=O)c3c(Cl)[nH]c4ccccc4n-3c2=O)cc1 to produce CCOc1ccc(-n2c(=O)c3c[nH]c4ccccc4n-3c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.