Using CC(=O)[O-], CCOC(=O)Cn1c(=O)sc2cc(N)c(Cl)cc21 to produce CCOC(=O)Cn1c(=O)sc2cc(-c3ccccc3)c(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.