Using COc1ccc(Cl)cc1NC(=O)Nc1cccc(C(=O)O)c1, CO to produce COC(=O)c1cccc(NC(=O)Nc2cc(Cl)ccc2OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.